Gunshots have been fired at the Pakistani president's plane as it took off from a military air base in Rawalpindi.
Two anti-aircraft guns and a light machine gun were found on the rooftop of a house near the Chaklala Air Base after Gen Pervez Musharraf's flight left.
Security officials later confirmed that the machine gun had been fired.
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Pervez Musharraf
Gunshots have been fired at Pakistani president's Pervez Musharraf plane
Television footage from an overlooking building showed a large gun pointed skyward next to a satellite dish as security officials rushed in.
A resident, Mohammed Asif, 31, said he heard two loud bangs about "a minute or less than a minute" apart and then saw a man firing an AK-47 rifle from an off-white Suzuki car passing his home.
"A small plane was flying at that time," he said.
State-run Pakistan Television said president Musharraf's plane later safely landed in Turbat, a remote southwestern town where recent floods have killed scores of people.
