The Pakistani military has been called in as police continue to fight attackers at Karachi's Jinnah International Airport, a spokesman for the Airport Security Force has told the Associated Press news agency.
The attack took place at a terminal usually reserved for special VIP flights.
More top news
Police in Bangladesh have begun a raid on a restaurant where gunmen are holding 20 people hostage.
Right-wing think tank warns leaving the UK in order to remain in the EU would turn Scotland into 'Greece without the sun'.
A poll of Britain's largest trade union, seen by ITV News, indicates more than half of those surveyed think the Labour leader should quit.