Militants Are Attacking Pakistan's Largest Airport

Militants opened fire and tossed grenades near the Old Terminal of Karachi Airport in Pakistan's largest city, GEO TV reports.

Journalist Ali Kamran Chishti reports that there are three confirmed deaths among the local Airport Security Force (ASF). GEO Tv is reporting five dead.

All flights have been suspended. A firefight between the attackers and security personnel followed the initial attack.

This is a developing story. More to come.