Gunmen have attacked the Pakistani stock exchange building in the city of Karachi and four assailants were killed, police said.
The gunmen attacked the building with grenades and guns, local media reported. The building is in a high security zone and also houses the head offices of many private banks.
"Four attackers have been killed, they had come in a silver Corolla car," Karachi police chief Ghulam Nabi Memon told Reuters news agency.
More details to follow.
SOURCE: Reuters news agency