A parcel bomb exploded and injured a woman at a British driver and vehicle licensing agency on Wednesday, South Wales police said. It was the third parcel bomb to injure office workers in as many days in Britain. Wednesday's incident occurred at the Driver and Vehicle Licensing Authority in Swansea. The woman's injuries were not believed to be life-threatening, police said. The DVLA processes drivers' licenses and vehicle registrations. On Monday, a woman was injured by an exploding parcel at the head office of Capita Group PLC in London. The company has numerous government contracts, including designing and running a system for enforcing the congestion charge imposed on motorists in central London. Two people were injured Tuesday in an explosion at Vantis PLC in Wokingham, 40 miles (65 kilometers) southwest of London. A spokesman for the accounting company said the parcel was addressed to a client whom he refused to identify.