"While others in Europe looked at Russia as a business partner," the Polish prime minister said, "we saw that Russia uses gas and oil as a way to blackmail."

Poland launches the most radical plan among European nations to wean off Russian energy sources while Germany issues the first of three warning levels over supply.

Russia said on Tuesday that it would significantly scale back its military activity around Kyiv and Chernihiv. Ukraine delivered a proposal for accepting a neutral and nonnuclear status.

The city, an island of relative safety surrounded by fighting, has become a hub for humanitarian aid and for people fleeing the war in the Donbas and other parts of Ukraine.

Detaining the yacht, named Phi, is "a clear and stark warning to Putin and his cronies," Britain's transport secretary said. Officials said the yacht's ownership is "deliberately well hidden."

British police said Tuesday that they were fining 20 people over parties held by Prime Minister Boris Johnson and his staff during coronavirus lockdowns.

In 2000, Vladimir Putin began targeting oligarchs who did not bend to his authority. The loyalists who remained — and new ones who subsequently got rich — became like ATM machines for the president.

"It's been a hobby of my life," said the owner of the retro computer collection that was hit by a Russian attack in the besieged Ukrainian city of Mariupol.

"It's been a hobby of my life," said the owner of the retro computer collection that was hit by a Russian attack in the besieged Ukrainian city of Mariupol.

A roundup of key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

The Feldman Ecopark in the hard-hit city of Kharkiv has lost many animals and even several staff members to Russian shelling in the past month. It's now trying to evacuate as many animals as possible.

Displaying a "Z" in Bavaria or Lower Saxony could result in a fine or up to three years in jail. People across Germany who use the letter could also be liable to prosecution, an official said Monday.

The case against Eric Zemmour is the first time someone is accused of Holocaust denial for alleging French homosexuals weren't deported during the war, the plaintiffs say.

Russia's attack on Ukraine has put a focus on the North Atlantic alliance. Here's what you need to know about NATO.

Intelligence reports warned of Russian provocations along the routes, Ukrainian officials said. Ukraine and Russia have regularly agreed to establish corridors from some of the hardest-hit cities.