Poland on Saturday scrambled fighter jets in response to Russian military aircraft near its border with Ukraine.

A bipartisan U.S. bill that would hit Russia with sanctions in a bid to pressure Moscow into good-faith peace negotiations with Ukraine has gained momentum this week in Congress, but it still lacks the presidential push it needs to get over the finish line.

U.S. President Donald Trump has voiced frustration with Russian President Vladimir Putin over the intensification of attacks.

Marco Rubio and Sergei Lavrov exchanged new ideas for ending the Ukraine conflict amid Trump's consideration of increased sanctions against Russia and military aid to Ukraine

U.S. Secretary of State Marco Rubio said the U.S. and Russia have exchanged new ideas for Ukraine peace talks after he met with his Russian counterpart in Malaysia on Thursday.

Kyiv was the main target of an hourslong assault that killed at least two people, officials said. The barrage came hours before the top American and Russian diplomats met.

Europe’s human rights court found Moscow responsible for the 2014 downing of Malaysia Airlines Flight 17 and abuses including transferring Ukrainian children to Russia.

Russia hit the Ukrainian city of Odesa with a daytime drone strike on Friday. At least 11 people were injured, according to authorities.