An explosion at a house in Karachi today has killed at least six people.
Police found hand grenades, an automatic weapon, and, according to some reports, a suicide-bomber vest at the scene.
Karachi police chief Wasim Ahmad said the explosion appears to have been caused by explosives kept at the house.
Pakistan's Geo News television channel showed senior police officer Abdul Majeed Dasti saying he suspects the house was used by militants.
Police found hand grenades, an automatic weapon, and, according to some reports, a suicide-bomber vest at the scene.
Karachi police chief Wasim Ahmad said the explosion appears to have been caused by explosives kept at the house.
Pakistan's Geo News television channel showed senior police officer Abdul Majeed Dasti saying he suspects the house was used by militants.