PARIS (Reuters) -A man armed with a knife fatally stabbed one person and wounded another on Wednesday in the French southwestern city of Bordeaux, a government source briefed on the attack said.

       The attacker was killed by police. Police do not initially think the attack was terrorism-related, BFM TV reported.

       The Bordeaux prosecutor's office did not immediately respond to a request for comment.

       The attack took place near the banks of the Garonne river in central Bordeaux. One video on social media showed police standing over a body covered in a white blanket. Reuters could not immediately verify the video.

       Less than four months before the Olympic Games, France is on its highest state of security alert.

       A soccer match between Paris St-Germain and Barcelona in the French capital on Wednesday night took place under tightened security measures after a threat from Islamic State.

       (Reporting by Dominique Vidalon and Layli Foroudi; Editing by Richard Lough, Chris Reese, William Maclean and Sandra Maler)

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