Agence France-Presse reporting an incident at a French factory

Details are a little bit sketchy but twitter is lighting up with stories that a man has been decapitated and an attacker has hit a French business carrying an Islamic flag

As I say the full details are a bit hard to come by right now

Sky news reporting that one person has been arrested and that their may have been two

Livesquawk report that a car may have entered the business and hit some gas canisters causing an explosion