Russia-Ukraine war: Blinken says US arms will make real difference as Russia claims advances in northern Kharkiv region – as it happened

Mission to Kyiv by US secretary of state comes after Congress approved long-delayed $60bn aid package; Russia claims to have captured Buhruvatka. This live blog is closed

• Zelenskiy calls for more air defences as Blinken arrives in Kyiv

Putin to visit China May 16-17

The Russian president, Vladimir Putin, will visit China on May 16-17, Chinese state media reported.