Britain’s new prime minister, Andy Burnham, welcomed Ukrainian President Volodymyr Zelensky as his first international visitor on Monday, in a move that underscores London’s steadfast support for Ukraine, Burnham’s office said.The two leaders met at a naval base, where they were due to hear how UK-led training programmes are helping strengthen Ukraine’s armed forces and deliver results on the battlefield, according to Downing Street.“Britain stands with Ukraine, shoulder to shoulder, and our...