Islamic State claims opera house knife attack in Paris

Paris : Terror outfit Islamic State (IS) claimed knife attack by a man in city's main opera house brimming on weekend night.

"The executor of the stabbing operation in the city of Paris is a soldier of the ISIS and the operation was carried out in response to the calls to target the coalition states," a "security source" told IS's official Amaq news agency, according to SITE.

The local police gunned down a knifeman shouting "Allahu akbar" after he killed two people and injured at least four people.

French President Emmanuel Macron criticised the attack and said, "France once again pays the price of blood".

Jihadi attacks in the nation have increased significantly in past few years. More than 240 people have been killed in such attacks in last three years.

Witnesses told prosecutors that the man was shouting Allahu Akbar (God is great) as he went on a rampage. 

Interior Minister Gerard Collomb hailed in a tweet the "sang-froid and reaction of the police who neutralised the attacker".

Prime Minister Edouard Philippe, who visited police in the district where the attack took place, added: "France is determined not to give in to threats that the attackers hope will grind her (the country) down."