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Armed attack at Pakistan airport Armed attack at Pakistan airport
(about 1 hour later)
At least one person has been killed and three injured in an explosion at Islamabad's international airport, Pakistani police say. At least one person has been killed and three injured in an explosion in the car park of Islamabad's international airport, Pakistani police say.
A senior police officer at the scene told the BBC the blast occurred after a group of armed men were challenged by security guards near the car park. A senior officer told the BBC the blast occurred after a group of armed men was challenged by security guards.
Three of the attackers were injured in an exchange of fire. One tried to throw a grenade, but died when it exploded.Three of the attackers were injured in an exchange of fire. One tried to throw a grenade, but died when it exploded.
There are conflicting reports that a suicide bomber blew himself up. Police suspect he was a suicide bomber and are examining whether he was carrying more explosives.
Last month, a suicide bomber attacked a top hotel in the capital, killing one person and injuring several others. Officials said at least one suspected accomplice was arrested.
Series of bombings
The BBC's Barbara Plett in Islamabad says the significance of this bombing is more the target than the human loss.
The international airport serves the capital and is used by many foreigners and dignitaries. Last month, a suicide bomber attacked a five-star hotel in Islamabad.
The attacks are the latest in a series of bombings in different parts of the country over the past two weeks that have killed more than 20 people.
Unofficially, police are saying they could be connected to militant tribesmen in the border region near Afghanistan, our correspondent says.
Militants had threatened to take revenge for recent army air strikes there.