First thing: Russia attacks Ukraine hours after partial ceasefire agreed in Putin-Trump call

Zelenskyy says he will contact US president to discuss the call with Russian leader following the attack. Plus, dolphins welcome Nasa astronauts back to EarthDon’t already get First Thing in your inbox? Sign up hereGood morning.Russia attacked Ukraine with kamikaze drones and S-300 surface-to-air missiles overnight, Ukrainian authorities said, hours after Vladimir Putin told Donald Trump he would sign up to a partial and temporary ceasefire.What has Volodymyr Zelenskyy said? The Ukrainian