Ukraine and Russia are locked in a grinding stalemate where neither can win outright, yet both refuse to accept the cost of defeat as the political ground beneath them steadily erodes.

A new peace proposal for Ukraine drafted by the Trump administration would require the country to cede the eastern Donbas region and to limit the size of its military in exchange for security guarantees from the United States,

Taiwan's president should take part in "rehearsals" focused on potential enemy movements in order to make more informed decisions during wartime, retired Ukrainian Air Force Colonel Andrii Ordynovych said in an interview with the Central News Agency, which is partially funded by Taiwan's government.

Another 40 people were wounded in the overnight strikes on Ukraine that targeted energy and transport infrastructure, forcing emergency power cuts in a number of regions.

It comes amid reports the US and Russia have prepared a 28-point peace plan, allegedly containing major concessions for Ukraine.

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

At least 10 people were killed and 37 injured, including 12 children, during a large Russian strike on the city of Ternopil in western Ukraine, said Igor Klymenko, Ukraine's minister of internal affairs. He said the western regions of Lviv, Ivano-Frankivsk, and Ternopil were "under a massive enemy attack" on Wednesday.

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.