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US market regulators are probing whether Tesla boss Elon Musk and his brother violated insider trading rules in connection with whopping share sales last year, the Wall Street Journal reported Thursday.

Arsenal staged a dramatic fightback as two goals in the final minutes sealed a 2-1 win against Wolves that boosted their bid to finish in the Premier League's top four.

Former French Open winner Jelena Ostapenko racked up her ninth successive win on Thursday by sweeping past fifth-seeded Garbine Muguruza 6-2, 6-2 to reach the Qatar WTA semi-finals.

Protesters turned out in cities around the world on Thursday in solidarity with Ukraine against Russian President Vladimir Putin's "surreal war" on the ex-Soviet country, as hundreds of demonstrators who marched in Russia itself were arrested.

People in Ukraine can lock down their Facebook pages as a security measure, the platform said Thursday, following warnings Russia was creating lists of Ukranians to kill after its invasion.

Russian police have detained more than 1,700 people at anti-war protests across dozens of cities as thousands took to the streets after President Vladimir Putin sent troops to invade Ukraine, an independent monitor said Thursday.

Russia was hit with painful new sanctions Thursday after it invaded Ukraine, but the United States and its allies stopped short of imposing even tougher measures to punish Moscow.

The queue of cars lining up to get into Hungary from Ukraine was long. Hundreds of others came on foot.

US President Joe Biden on Thursday announced "severe" economic sanctions that will make President Vladimir Putin a "pariah" for invading Ukraine, but conceded a lack of Western unity for enacting an even tougher measure.

Invading Russian forces pressed deep into Ukraine as violence spiralled Thursday, claiming dozens of lives and raising the prospect Moscow will march on Kyiv as the West imposed punishing sanctions in response.

Manu Tuilagi's injury-blighted England career suffered yet another setback on Thursday when the powerhouse centre was ruled out of the side to play Wales in the Six Nations this weekend just hours after being named in the starting XV by head coach Eddie Jones.

Protesters turned out in cities around the world on Thursday to show solidarity with Ukraine against Russian President Vladimir Putin's "surreal war" on the former Soviet country, as hundreds of demonstrators who marched in Russia itself were arrested.

Six-time winners Sevilla needed to see out a nervy final 25 minutes to progress to the last 16 of the Europa League as the Spaniards progressed 3-2 on aggregate despite a 1-0 defeat to Dinamo Zagreb on Thursday.

It was arguably the ultimate illustration of UN powerlessness: an emergency Security Council meeting designed to avoid war rendered redundant by Russia's invasion of Ukraine just minutes after the late-night session began.

American Formula 1 team Haas will not sport the Russian colours of its title sponsor Uralkali during the last day of pre-season testing in Barcelona on Friday in protest at Russia's invasion of Ukraine.

Russia's invasion of Ukraine risks making President Vladimir Putin an international pariah, but he does not fear such isolation -- quite the contrary, experts say.

Dogs are deeply affected by the deaths of canine companions, eating and playing less and seeking attention more following a loss, a large scientific study said Thursday.

Novak Djokovic admits lack of match play can be a concern moving forward as uncertainty over his schedule looms ahead due to his inability to enter many tournaments without being vaccinated.

The leaders of the World Bank and IMF signaled Thursday they were ready to help Ukraine, while warning that Russia's invasion will have repercussions for the global economic recovery.

The Russian forces came in shooting as they dropped from the open doors of helicopters to gain control of a strategic airport on the edge of Kyiv.

It's well known that getting a good night's sleep becomes more difficult as we age, but the underlying biology for why this happens has remained poorly understood.

IMF Managing Director Kristalina Georgieva on Thursday warned the conflict in Ukraine will have repercussions for the global economic recovery.

Opener Ishan Kishan on Thursday said skipper Rohit Sharma's belief helped him overcome a dip in form to smash 89 and lead India to a 62-run win over Sri Lanka in the opening Twenty20 international.

Britain on Thursday imposed a biting package of sanctions on Russia that Prime Minister Boris Johnson said would degrade its economy "for years to come", as he slammed President Vladimir Putin in unusually personal terms.

The fashion set put their best face forward on Thursday despite worries over the invasion of Ukraine, as Milan Fashion Week guests and workers vowed to go on with the shows.

US President Joe Biden announced "devastating" Western sanctions against Russia on Thursday and was shortly to address the American people on the unfolding invasion of Ukraine.

An exclusion from SWIFT, a very discreet but important cog in the machinery of international finance, is one of the most disruptive of the possible sanctions that the West could deploy against Russia for its invasion of Ukraine.

Formula One world champion Max Verstappen said on Thursday he thinks former FIA race director Michael Masi was "thrown under a bus" after he was removed following last season's dramatic final Grand Prix in Abu Dhabi.

Daniil Medvedev on Thursday became just the third Russian man to claim the world number one tennis ranking when he dislodged Novak Djokovic from the top spot.

Novak Djokovic lost his Dubai quarter-final and his world number one ranking in one go on Thursday as he suffered a 6-4, 7-6 (7/4) upset at the hands of Czech world number 123 Jiri Vesely.

Global equities tumbled on Thursday and oil prices breached $100 for the first time in more than seven years after key crude producer Russia launched an invasion of Ukraine, accelerating fears of a major war in eastern Europe.

Northampton team-mates Courtney Lawes and Dan Biggar will achieve a rare feat in the Six Nations Championship when they captain England and Wales respectively at Twickenham on Saturday.