Air defences were engaged in Ukraine's capital of Kyiv on Thursday to repel a Russian drone attack, officials said, and Reuters witness reported explosions in the city while British Prime Minister Keir Starmer was visiting.

Ukrainian President Volodymyr Zelenskyy warned allies that the defense of his nation is a litmus test for broader Western resolve.

Vladimir Putin timed the latest bombardment on Ukraine’s capital Kyiv for when Sir Keir Starmer was visiting. The British prime minister arrived in the city for a meeting with Volodymyr Zelensky this morning when air raid sirens blasted,

An air-raid warning has been issued in the city of Kyiv, and air defence is responding to a Russian attack drone. Source: Kyiv Mayor Vitali Klitschko on Telegram; Ukraine’s Air Force; Ukrainska Pravda Quote from Klitschko: "Air defence forces are responding [to the drone] in the centre of the capital.