QUETTA: The Bomb Disposal Squad (BDS) found three explosive devices planted at the Provincial Excise and Taxation Headquarters on Monday, sources said. According to sources, unidentified men planted three bombs at the office premises. Security forces and the BDS rushed to the spot and defused the bombs. The sources added that one of the devices had a fuse, which failed to ignite, otherwise the explosion would have caused huge damage to the office and the surrounding area. BDS officials said that the explosive devices weighed around two kilogrammes. Police cordoned off the area and started a search operation, before clearing the premises.