PESHAWAR, Feb 23: An explosion of minor intensity occurred outside Wapda office in Faqirabad locality on Saturday night, police said.

The explosion didn’t cause any human loss but damaged walls of the office and one vehicle parked there, an official at Faqirabad police station said.

The low intensity blast was heard by the local residents, majority of whom were asleep, said the police official, adding that the incident was being investigated.