Days after Ukrainian troops seized part of Russia’s Kursk region in a surprise attack, President Vladimir Putin told defense officials their “main objective” was to repel the invasion. Six months later,

Kyiv and Moscow traded blame Sunday for a strike on a school in a Ukrainian-occupied town in Russia's Kursk region, as Washington urged both sides to make compromises to end the conflict.

"It is up to [Donald] Trump and his team to make a decision," said Russia's deputy foreign minister Sergei Ryabkov.