ISLAMABAD, July 25 (Xinhua) -- Over 100 shops caught fire following two gas cylinder explosions late Sunday night in Pakistan's southwest city of Quetta, sources told Xinhua.

One explosion took place at a market while the other was close to a gas station.

About ten fire engines rushed to the scene to quench the flame caused by the blasts, said the sources.

So far no casualties have been reported, and police have ruled out the possibility of terrorist attack.