Some 32,000 households with 54,000 residents in the city’s historic central district were forced to leave by 10 a.m. Christmas morning so experts could handle the bomb. A number of schools and sports halls were opened as shelters for those in need. Public transportation was free of charge for the evacuation. Authorities said the hazardous area has a radius of 1.5km,.City police tweeted that they had “good news at Christmas” just before 7 p.m. local time. It was the country’s biggest evacuation for an unexploded bomb since the end of the war. It is thought the British bomb to have come from a 1944 air raid. Finding Second World War bombs is not unusual in Germany.