At least 13 persons sustained injuries when a bomb planted on a motorcycle blasted near Imdad Chowk, Quetta, Dunya News reported on Saturday. The blast was as loud as its voice was heard in nearby areas. One car was damaged and window panes of nearby buildings were broken. Traffic was jammed after the blast and panic prevailed in the area. Security forces cordoned off the area and rescue teams have started relief activities. The injured have been shifted to nearby Civil Hospital where emergency was declared after the blast. According to bomb disposal squad, the bomb was planted in a motorcycle. Dunya News correspondent told that police were informed about the bomb planted in the motorcycle. According to doctors, condition of the injured is out of danger. CCPO Quetta told that it was a time device planted on the motorcycle.