Zijie Yan and Tailei Qi worked closely with the former's research group at the university since 2022

Country singer Jimmie Allen's has come to a halt after two woman accused the Grammy nominee in lawsuits of sexually assaulting them

Government minister pushes back against EU and US calls for removal of Sultan al-Jaber as head of COP28.

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The US has pledged to send 31 of its M1 Abram battle tanks, worth an estimated $400m, to Ukraine to help the resistance fight back against the Russian onslaught as the one-year anniversary of Vladimir Putin’s invasion approaches. Anatoly Antonov, Russia’s ambassador to the US, said the decision by Joe Biden’s administration amounted to “another blatant provocation” against Moscow, pledged that the tanks would be destroyed and warned the West it would come to regret the “delusion” that Ukraine could ever win the day. Russian state TV has since made a point of mocking the Abrams as “battered” and prone to getting stuck in a segment downplaying the threat the new additions to Kyiv’s arsenal pose. Ukraine’s president Volodymyr Zelensky has said he believes tanks are crucial to replenish his nation’s military hardware ahead of what he says will be increased Russian offences in the spring, with intense fighting already seen in eastern Ukraine for weeks. Kyiv also wants them to boost its bid to recapture territory taken by Moscow’s forces earlier in the conflict. Germany has dithered on the question of whether to answer Mr Zelensky’s appeal for tanks but has since agreed to send Leopard 2 models, with Poland, Canada, Norway and Spain now looking set to follow suit. When it comes to the M1s, experts have warned of the complex logistics involved in getting these high-tech vehicles to the battlefield. The extensive and tricky maintenance required for their use mean that it could be some time before they appear on the frontlines in Eastern Europe. The first M1 tank was manufactured by American armoured vehicle manufacturer General Dynamics Land Systems in 1978 and was first delivered to the US Army in 1980. Each model costs around $10m to make, according to Reuters. It has to be crewed by a team of four (driver, commander, loader and gunner), has a maximum speed of 42 miles per hour, has a maximum range of 624 miles and runs on a 1,500 horsepower gas turbine engine. The M1 is armed with an M256 120mm smoothbore cannon, as well as two machine guns: a 12.7mm and a 7.62mm M240. Defence industry expert Sydney Freedberg described them as “big vehicles, heavily armoured” to Al Jazeera, adding that they are “much better protected than anything the Soviets built, or anything the Russians currently have.” He also cautioned that they have been used far less often in Europe than the Leopard and could end up posing the Ukrainians problems, given that they require additional training and will need spare parts, warehousing and a high degree of care. “It guzzles fuel and the engine is difficult to repair and maintain,” Jack Watling, a senior research fellow for land warfare at the Royal United Services Institute, has also warned. More positive about their potential impact – while still favouring the Leopards over all – was retired US army general Mark Hertling, who commanded the 1st Armored Division in Iraq during the troop surge of 2007 to 2008, and who said in a Twitter thread: “The M1-series, in my view, is the best in the world.” He too stressed that training was “critical”, adding: “Having fired T-72s, Chieftains, Challengers, Leo IIs & Abrams, the M1 requires the most turret training.” Read More Ukraine-Russia news – live: Putin ‘shifting war to focus on Nato and West’ Russian shells kill 10 in Ukraine as Putin’s forces seek gains before Western tanks arrive Who is sending tanks to Ukraine?

Russia is likely building new defences in southern Ukraine, amid “growing concern” among Vladimir Putin’s forces about Kyiv’s success in breaching its first defensive line, Britain’s Ministry of Defence has said. Moscow’s troops are believed to be “deploying additional checkpoints, ‘hedgehog’ anti-tank defences and digging new trenches” near the Zaporizhzhia village of Tokmak, which is situated just 16km from Ukraine’s forces, and is set to become a “lynchpin” of Russia’s second defensive line, the ministry said. In Donetsk, Ukraine’s armed forces celebrated the recapture of Andriivka, a village near Bakhmut, after a battle in which they claimed Russia had suffered “significant losses” – a liberation the military said was “key to success in all further directions”. The comments came as Ukraine president Volodymyr Zelensky hailed the destruction of a Russian air defence system in the annexed Crimea peninsula, as a Ukrainian minister vowed that “there will be more drones, more attacks, and fewer Russian ships”. Read More Kim Jong Un stops to see a fighter jet factory as Russia and North Korea are warned off arms deals She danced with Putin at her wedding. Now the former Austrian foreign minister has moved to Russia What is a Storm Shadow cruise missile?

With less than a month before federal student loan payments restart after the years-long pandemic pause, many borrowers are having a hard time connecting with their loan servicer.

The Biden administration has announced $3.5 billion for 58 projects across the country to strengthen electric grid resilience as extreme weather events such as the deadly Maui and California wildfires continue to strain the nation’s aging transmission systems

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The number of mourners was so large, crowds spilled out of the Parisian mosque and stopped traffic as they prayed in the middle of the street. The killing of 17-year-old Nahel Marzouk by the police has been labelled an “execution” and has ignited the fury of the nation, sparking a level of unrest not seen in France for over a decade. At least 2,400 people have been arrested across the country, curfews imposed and public transport curtailed as open street battles raged between protesters and police, and looting became rampant. In response, President Emmanuel Macron deployed 45,000 officers, including elite anti-terrorism units and armoured vehicles which scour the streets. But on Saturday, at Nahel’s funeral at a mosque in Nanterre, the west Paris suburb where he lived and was fatally shot, the most glaring absence was the security forces. Volunteers from the local community instead curtly policed the streets, which are scrawled with the phrase “the country of police impunity”. They reined in the emotions, which ran high when the body was brought out to a hearse escorted by hundreds of people on foot and on scooters. “It is finished,” Nahel mother Mounia said bravely, in a cloud of female well-wishers after the coffin was lowered into the earth. “He has gone to paradise.” Nahel – a teenager of Moroccan and Algerian origin – was shot by a police officer during a traffic stop on Tuesday: an incident which was caught on mobile phone footage, and showed Nahel driving away from the officers before one fired at him. Outraged at the murder, and the apparent efforts by the police to paint Nahel as a troubled teenager wanted by the law, thousands have protested across the country. Nahel’s death was “the last drop to cause the vase to overflow”, family friends repeatedly told The Independent. France exploded. For four nights the streets of cities including Paris, Marseille, Lyon, Toulouse, Strasbourg and Lille have been ablaze with looters ransacking dozens of shops and torching 2000 vehicles according to the interior ministry. There have been calls for calm and for President Macron to impose a state of emergency, with more unrest on the horizon. The United Nations has also weighed in urging the country to “seriously address the deep issues of racism and discrimination in law enforcement”. It has taken a toll on Mr Macron’s diplomatic profile. On Saturday Mr Macron was forced to postpone what would have been the first state visit by a French president to Germany in 23 years, citing internal security issues. In the funeral march to the hill-top cemetery friends of the family said they were in “deep shock” and talked of struggling with racism endemic in the French police force. “I’m shaken, we all are, especially as a mother with children living in this neighbourhood,” said Theresa, 60, who lived next door to Nahel’s grandmother and personally knew the teenager, she described as “smiley, hardworking and kind”. “Thank god there is a video, the police are lying all the time. This might change things,” she added. Mohamed, 60, who is also part of the Algerian community in Nanterre and a friend of Nahel’s mother Mounia, said they were all treated like “second-class citizens”. “Nahel was his mother’s entire world, and now he is gone. She has lost everything. We simply do not get the same rights.” Nahel was his mother’s entire world, and now he is gone. We do not get the same rights Mohamed, friend of the family His comments were echoed by half-a-dozen other mourners The Independent spoke to throughout the day. “If you are not white, you’re not equal. There is a two-tiered nationality system,” said Abdelmalek Hamchoui, 62, a local community leader. “I’m made to feel like I’m only French on paper,” added Hadhrami Belhachemi, 35. And so the incident has thrown a searing spotlight onto France’s judicial and legal system. Abdelmadjid Benamara, one of the family’s lawyers who is also from Nanterre, called Nahel’s killing an “execution” and told The Independent it was just the latest in a long line of alarming incidents committed by the French police. He called for a slew of investigations into police response to the incident and for major reforms to the legal system. You have to call a spade a spade: this is an execution Abdelmadjid Benamara, Nahel’s family lawyer “You can’t be hypocritical about it. When a policeman kills a young teenager you have to call a spade a spade: this is an execution. You have to open the correct investigation,” he added. While the police officer who fired the shot was taken in custody on charges of voluntary homicide when a video of the incident emerged, the second police officer on the scene has not been charged and is still working, Mr Benamara continued. “The problem is with the legal system as a whole after a 2017 bill relaxed the rules around police officers' rights to use their firearms.” “In 2022 there were 13 instances where the French police fired on citizens, in similar circumstances to Nahel M’s killing. Of those only five are being investigated” he added. The only difference this time is that there is a video of the event. “There is a social contract between the people and the government that has been broken. There is no trust any more,” he added. The unrest has also revived memories of riots in 2005 that rocked France for three weeks and forced then-president Jacques Chirac to declare a state of emergency. That wave of violence erupted in the Paris suburb of Clichy-sous-Bois and spread across the country following the death of two young men who ended up being electrocuted in a power substation as they hid from police. Many people The Independent spoke to said nothing had changed since then. “I’ve been living in this neighbourhood for 27 years, and it has only got more racist every year,” Laslah Baghdad, 58, another mourner from Nanterre said back at Nahel’s funeral. “How you fight that I don’t know .” The explosion of rage across the country, triggered by the video evidence of Nahel’s killing that points to homocide, might be the catalyst for a different future, Theresa continued. “We have an expression: 100 years for the thief, a year for the master. This really embodies the situation here,” she said. “But now we feel change will happen.” Read More France riots - latest: Mourners line street for funeral of teenager shot dead by police Watch: View of Nanterre as funeral held for teenager shot dead by French police Rioters attack Strasbourg Apple store over Paris police shooting Rioting rages across France for fourth night ahead of funeral for teenager shot dead by police Who is Nahel M? The teen shot dead by police in France

CNN is filling a prime-time vacancy by appointing Kaitlan Collins to host the network's 9 p.m. Eastern hour

A three-judge panel would be required for most nationwide injunctions