Be careful out there...runner attacked near Key Bridge.

ARLINGTON, Va. -- A man was attacked while jogging near the Key Bridge and the GW Parkway Thursday morning.

He had just run off the bridge into Virginia and accessed the bike path on the south side of the bridge when he was hit with a bottle several times on the back of his head.

The victim was treated and released from an area hospital.

The attacker took the man's iPod, $80 and two credit cards.

The attacker was a white man of medium build in his mid-to-late 30s. He had curly brown-gray hair. He may be homeless, Park Police said.