Police in Berlin are investigating the possibility of arson after a fire destroyed part of a refugee accommodation centre on the grounds of the former Tegel airport on Tuesday. The cause of the fire, which destroyed a large tent hall but did not cause any injuries, still remains unclear, a Berlin police spokeswoman told dpa on Wednesday. The roughly 1,000-square-metre tent was home to about 300 people who had fled the war in Ukraine, but everyone – including children and animals – managed to evacuate safely, according to the fire brigade and the operator of the accommodation centre. Firefighte…