Lviv (Ukraine) (AFP) – Rescuers in Ukraine searched on Friday for hundreds of civilians feared trapped under the wreckage of a bombed theatre, as local forces battled against Russian troops across the country. President Volodymyr Zelensky said 130 people had been brought out after the Russian strike two days ago on the building where civilians were sheltering in the besieged city of Mariupol, but that hundreds were still inside. With world powers manoeuvring to respond to the bloody three-week invasion, Washington said that President Joe Biden had told Chinese counterpart Xi Jinping of the “co…