"For the low flow of the river Rhine, the British found a two-ton explosive dating from World War II . About 2,500 troops dismantled the device."
The inhabitants of the city of Koblenz, a 1.8 km radius around the place, had to leave the area before 08.00, GMT . About half of the population was affected.
To carry out the work 2,500 members of the emergency services were mobilized, firefighters reported. Two hospitals, seven nursing homes, jail and several hotels were evacuated and traffic was interrupted in the local train station.
The British bomb was discovered in late November by the fall of water level. The works also include the disarmament of a U.S. device 125 kilos.
More than 60 years after the end of the war, the German underground is full of dangers, traces of heavy Allied attacks against Nazi Germany, which emerge regularly, especially in connection with construction work.
The authorities estimate that there are only 3,000 bombs in the basement of Berlin. In June 2010, three bomb trying to disable an item of 500 kilos died in Göttingen (center) for its explosion.
Latest updates according to BBC is that the bomb has been successfully defused.