AlQa'dah 10, 1436, August 25, 2015, SPA -- Four people including a baby and a police officer were killed in a shoot-out at a campsite in the Somme region of northern France, local authorities confirmed on Tuesday, dpa reported. Three of the victims - a man, a woman and a 6-month-old baby - were killed when a man entered a campsite and started shooting. Two police officers who intervened were both wounded and one later died. Two other people - the gunman and a child - were seriously injured, a spokesman for the Somme prefecture said. It was not immediately clear what triggered the violence in the town of Roye, which lies just over 100 kilometres north of Paris.