US President Joe Biden is "considering additional sanctions" on Moscow after the death of Russian opposition leader Alexei Navalny in an Arctic prison, he said Monday. Biden, who has already directly blamed Russian President Vladimir Putin and his "thugs" for Navalny's death last week, and other Western allies have already used sanctions as a way of throttling support for Moscow's war in Ukraine, while at the same time supplying Kyiv with both weapons and aid. But Russia has withstood the initial shock and put its economy on a war footing.

WHY TRUMP IS PUSHING HOUSE GOP TO KILL UKRAINE AID

President Joe Biden is considering relaxing a vehicle emission rule that his administration proposed last year, which could give automakers more time to meet strict electric vehicle (EV) transition requirements. Under the redrafted final regulation, the EPA should slow its proposed annual emissions requirements within the next six years, which is expected to result in EVs accounting for less than 60% of total vehicles produced by the year 2030. The EPA is also considering to delay its transition requirements until after 2030, which is the existing target date

HOW WOULD THE CHANGE IMPACT ENVIRONMENTAL POLICY?

The Eiffel Tower, one of the world's top tourist attractions, was closed Monday after staff went on strike. The strike, which was called to protest over the way the monument is managed financially, could be extended. The stoppage is the second strike at the Eiffel Tower within two months for the same reason. The Eiffel Tower, Paris' most famous landmark, attracts nearly seven million visitors a year, mostly foreigners.

FIND OUT WHY THE EIFFEL TOWER'S WORKERS ARE STRIKING

The Eiffel Tower was the world's tallest building until what took the title?

Friday's answer: The invention of the first video camera is widely attributed to Louis Le Prince, who first used it to film scenes in 1888.