'ISIS gunman' kills one and takes hostages at French supermarket

A gunman who has reportedly pledged allegiance to the Islamic State shot at a police officer before taking hostages in a supermarket in the south of France.

One person is believed to be dead, according to .

The gunman reportedly opened fire at officers before barricading himself inside the Super U supermarket in Tr`ebes, near Carcassone.

Video shows the situation as anti-terror GIGN police units arrive on the scene.