Karachi, June 29 (IANS) A gun and grenade attack at the Pakistan Stock Exchange (PSX) in Karachi on Monday claimed the lives of two civilians, authorities said, adding that law enforcement agencies have gunned down all four militants that stormed the building and opened indiscriminate fire.

The militants, who arrived in a car, opened indiscriminate fire and lobbed grenades at the main gate of the multi-storey building situated in the city's high-security commercial hub as they tried to storm it.
Armed with automatic machine guns, grenades and explosives, they tried to enter into the compound leading to the Pakistan Stock Exchange (PSX) building through a parking lot but security forces foiled their attack within the compound itself, Deputy superintendent of police (South), Jamil Ahmed said.