PARIS (AP) — The Islamic State group has claimed responsibility for the shooting on Paris’ Champs Elysees that killed a police officer and left two others gravely wounded.

In a statement from its Amaq news agency, the group gave a pseudonym for the shooter indicating he was Belgian.

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The attacker opened fire on a police van on the avenue before being killed.

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The claim of responsibility came unusually swiftly for the group, which has been losing territory in Iraq and Syria.

And the pseudonym, Abu Yusuf al-Beljiki, indicated that the attacker already had ties of some sort to Islamic State extremists.

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