At least seven persons were killed and several others injured in Karachi city today when a blast ripped through a house where explosives and weapons were stored.
The blast in Baldia Town area of the port city appeared to be accidental and bomb disposal squad personnel were trying to determine its exact nature, police officials said.
Two Kalashnikov assault rifles, 22 grenades and two suicide jackets were found in the one-room house, which collapsed due to the explosion.
Interior Minister Rehman Malik told reporters in Islamabad that the home had been rented by a man from the militancy-affected Swat valley.
Some persons from Swat had come to visit this man last night, he said.
Police officials said Riaz Khan, who hailed from Swat, had rented the house about two years ago.