Four gunmen attacked the Pakistan stock exchange in Karachi, killed two guards, a policeman and wounded seven others before being shot dead.
The armed assailants launched s grenade attack at the main gate to the building and opened fire but police say they failed to make it to the trading floor.
“The assailants came in a Silver Corolla and were stopped by police at the gate where the firing exchange took place,” Sindh police inspector general Ghulam Nabi Memon revealed to BBC.
According to authorities, the guards fought back, killing all four armed attackers, adding that three police are among the seven wounded receiving treatment in hospital. Mr Memon said the attackers did not manage to enter the main building and grenades among other weapons were recovered from the assailants.
The director of the Pakistan stock exchange Abid Ali Habib said that the gunmen made their way from the car park and opened fire on everyone. It was not immediately clear that there were more assailants involved as the investigation by the police is still underway.
Geo TV in the country reported that most people at the stock exchange managed to escape or hide in locked rooms as those inside the locked rooms were evacuated via the back door.
Pakistan has suffered years of militant violence, mostly by Islamist groups but attacks like this one have been rare in recent years.