A senior US official says President Trump supports the plan and both Russia and Ukraine have to make concessions.

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.

Ukraine plans to seek nearly $44 billion in climate damages from Russia for emissions caused by the ongoing war.

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.

U.S. officials are in Ukraine as another round of deadly strikes hit Ukraine. CBS News' Ramy Inocencio has the latest.