1,378 people have been arrested in the United States over the last six weeks as part of an operation to identify and prosecute gang members.
At least six people have been arrested as part of a probe into migrants being taken from reception centres and put to work illegally in southern Italy.
The footage of the attack, which left one police officer dead and two others wounded, was taken inside a restaurant close to the scene.
After the panic on the Champs-Elysée, with the killing of a policeman and the wounding of two others, it is time for reflection and debate.
149 people have been arrested as part of a new Interpol-led operation targeting the illicit trafficking of weapons from countries in eastern Europe and the Balkans.