A massive car bomb exploded close to a major army base and the Iraqi health ministry in Baghdad killing at least three people and wounding dozens on Saturday, security and health officials told a foreign news agency. The bomb exploded at 12.35 pm (1535 PST) next to the former site of the country's defence ministry, which is now used by the Iraqi army, an interior ministry official said, giving the death toll. An official at Medical City Hospital in the capital said 35 people were being treated for injuries. The interior ministry official said the car bomb exploded in an area between the health ministry and the military base where major construction work is going on.