Russia has attacked the Ukrainian city of Kharkiv with bombs, missiles and drones, killing at least three people. Meanwhile, Kyiv and Moscow are expected to swap 500 prisoners of war this weekend.

President Trump's meeting with German Chancellor Friedrich Merz will take place amid a backdrop of tensions between the U.S. and Europe over trade and Ukraine.

The roots of Russia's invasion of Ukraine go back decades and run deep. The current conflict is more than one country fighting to take over another; it is — in the words of one U.S. official ...