Paris: An assailant killed a passer-by in a knife attack that also wounded four others in the heart of Paris late on Saturday before he was shot dead by police, French authorities said.
The Islamic State group claimed the attacker was one of its "soldiers".
The media wing of Daesh claimed responsibility for the attack in a statement published online. The deadliest happened at the Bataclan concert hall, where 90 people were shot and killed.
The four injured in the attack were hospitalized.
Thousands of French troops remain on the streets under an anti-terror operation known as Sentinelle, patrolling transport hubs, tourist hotspots and other sensitive sites.
The attacker reportedly shouted "Allahu Akbar" (God is greatest) before stabbing his victims. Aamaq didn't provide evidence for its claim.More news: Kentuckian nominated to head Central Intelligence Agency earns praise, faces criticism
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In a tweet sharing his condolences, French President Emmanuel Macron labeled the offenderldquo;terrorist. "France pays once again the price of blood but does not give an inch to the enemies of freedom".
The interior minister, Gérard Collomb, hailed the "sangfroid" and quick response of police who shot the attacker.
Arrived at the scene a large force of police, the scene cordoned off. The wounded were transported to a hospital in Paris, according to the police source. He identified the deceased victim as a 29-year-old man.
Bar patrons and opera-goers described surprise and confusion, and being ordered to stay inside while the police operation was underway on rue Monsigny in the lively 2nd arrondissement, or district, of the French capital. Outside, I saw a person on the ground about 200 metres from me.
"I was having a drink with friends and we heard a boom", a witness named Gloria, who had been in a nearby bar, told reporters at the scene.
France on high alert: Security has been heightened in France following a series of attacks in recent years that have been inspired by or carried out by IS. The man attacked five people with a knife, one of whom died, police said.