A car has been rammed into a US gas company premises in Southeast France, Causing an explosion of gas containers which has left one dead and several wounded, sources from the police and media have said.
A decapitated body was found with what appears to be a Islamist flag.
The site belonged to the US based industrial gases technology company Air Products.
According to local media, the attack happened at 10.00 a.m. local time (8.00 a.m. GMT) near the city of Lyon.
One man has been arrested and police are still looking for another.
By Fiona Carty