The close-quarter battle inside the steel plant — the last Ukrainian stronghold of the strategic port city of Mariupol --appeared increasingly desperate.
U.S. officials say Washington had approved a $165 million sale of ammunition for Ukraine's war effort, along with more than $300 million in foreign military financing.
A day after Moscow suffered a stinging symbolic defeat with the loss of the flagship of its Black Sea fleet, Russia's Defense Ministry has promised to ramp up missile attacks on the Ukrainian capital.
Ukrainian President Volodymyr Zelenskyy said in his evening address that Russia is targeting all of Europe with its aggression, and defending Ukraine is essential for the security of all democracies.
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.
Mayor Ivan Fedorov was abducted on Friday, according to Ukrainian officials. He was reportedly seized by approximately 10 people while in the city center, and they put a plastic bag over his head.
The strikes on Friday came as new satellite photos appeared to show a massive convoy outside the Ukrainian capital had fanned out into towns and forests near Kyiv.
The letter has become widely regarded as a symbol of support for Russia's invasion of Ukraine. Russian military vehicles participating in the invasion have donned the letter.