VLADIMIR Putin has been accused of being responsible for twice as many deaths in the besieged city of Mariupol than Hitler . Some 21,000 civilians have been slaughtered by Russian troops as they desperately tried to flee the relentless bombardment. 7 Thousands of people have been killed in Mariupol 7 Soldiers who staged a final stand at the Azovstal have been evacuated Credit: AFP 7 Many were seriously wounded after being holed up at the plant for weeks Credit: AP Mariupol 's embattled mayor, Vadym Boychenko, has warned thousands more of the city 's innocents could die within weeks as...