Ukraine's air force said Russia targeted several regions overnight with 267 drones, of which around 200 were Shahed attack drones and the rest decoys. The air force said it shot down or otherwise suppressed 244 drones. Twenty-three drones impacted across seven locations, with falling debris reported in nine locations, the air force said.

President Donald Trump’s new weapons deal and his increasing criticism of Vladimir Putin have sparked fear among some Russians that Putin could overplay his hand.

Pentagon officials said details were still being worked out, and experts doubted Mr. Trump’s threat of huge tariffs for Russian trading partners.