The hostage-taker at the supermarket in southern France has claimed allegiance to Islamic State (IS, formerly known as ISIS) AFP cited the prosecutor’s office as saying. A police operation is underway in the area. Policeman shot and possibly killed, in Carcassonne, and hostages taken in the nearby town of Trèbes, by a gunman pledging allegiance to ISIS. The man was shouting “Allahu Akbar” when...