Paris - According to reports from the scene a man tried to attack a police officer with a hammer and the police officer then fired shots at him.
Published: Tue 6 Jun 2017, 6:51 PM
Updated: Tue 6 Jun 2017, 9:33 PM
Paris police say a security operation is under way near Notre Dame Cathedral and are urging passers-by to stay away from the area.
The police department tweeted about the operation on Tuesday afternoon but did not provide any details. A police official would not provide further information.
According to reports from the scene a man tried to attack a police officer with a hammer and the police officer then fired shots at him.
Large numbers of police cars filled the area on the Ile de Cite island in the River Seine in the center of Paris.
Paris is under high security after a string of extremist attacks in recent years.