NATO fighter jets were scrambled and ground-based air defense systems put on high alert in Poland and Romania during an overnight Russian attack on Ukraine.

Ukrainian officials say a missile and drone attack killed dozens, right as the U.S. Army secretary arrived to push for peace talks.

Poland and Romania scrambled Nato fighter jets early on Wednesday as a series of explosions rang out across western Ukraine. In Poland, two airports in its southeast were shut down as Russian airstrikes targeted the cities of Lviv and Ternopil. The Polish military said it was forced to act to ensure the safety of Polish airspace.

Romania evacuated residents after a suspected Russian drone strike hit a Turkish LPG tanker in Ukraine's Izmail port.

The 28-point plan did not include input from Ukraine, sources say, but its timing coincides with a U.S. meeting in Kyiv on military strategy.

Professor Michael Clarke has been answering your Ukraine war questions - scroll down for the best of his answers or watch back in the video below.

A drone was detected around five miles into Romanian airspace in the early hours of Wednesday morning, the country's defense ministry said.

KYIV, Ukraine (AP) — A large Russian drone and missile barrage on Ukraine’s western city of Ternopil killed at least 25 people, including three children, authorities said Wednesday, as President Volodymyr Zelenskyy went to Turkey in search of diplomatic support for his fight against Russia’s invasion.