Gunmen are holding up a store with at least 10 people inside near Paris, the AFP news agency has reported.
Up to three gunmen entered the Primark store in Villeneuve-la-Garenne, northwest of the French capital, at 6.30am local time, sources said.
According to Le Figaro, quoting a police source, a Primark employee sent a text message to a friend at 7am saying he was being held hostage by two armed men.
Special police units are surrounding the clothes store, police said. Shutters at other stores in the precinct remained closed.