Karachi stock exchange attack updates: 4 terrorists, 5 people dead

A gun and grenade attack at the Pakistan Stock Exchange (PSX) in Karachi on Monday killed five people, authorities said, adding that law enforcement agencies have gunned down all four militants who attempted to storm the building. Four security guards and one inspector has been killed 
Initial reports said that the four attackers came out of their vehicle and threw grenades after which they reportedly entered the building.