Russian President Vladimir Putin and Ukrainian President Volodymyr Zelensky each held phone calls with US President Donald Trump on Sunday, as Trump marked his 80th birthday and the war in Ukraine remained a flashpoint ahead of this week’s G7 summit. Putin’s call with Trump lasted just under an hour, according to Russian presidential aide Yuri Ushakov, who briefed reporters. On Ukraine, Ushakov said Trump emphasised the need to end hostilities and stated his readiness to influence European...