(Xinhua) -- A missile exploded on Friday in northern Pakistan's Rawalpindi, near the capital, killing one person and injuring three others, according to a local news agency report. The missile exploded when hit by a sharp instrument during digging in the site of a small school bags shop near food street, the private News Network International news agency quoting an eyewitness reported. The missile is believed to be left of a huge blast in the ammunition depot of Ojhri camp, in April 1988, where a dump was used for stockpiling of heavy weapons during Afghan war against former Soviet Union, said the NNI report. Officials also confirmed the missiles and rockets, are still dumped in different areas of Rawalpindi, especially in areas near the camp site, according to NNI. The shop was also damaged in the blast, which also caused minor damage to walls of several nearby shops.