Photos: Post office hostage situation north of Paris

French Research and Intervention Brigades (BRI) officers gather near the post office where an armed man is holed up with two hostages in Colombes, outside Paris.  (AFP/Getty Images)

French Research and Intervention Brigades (BRI) officers gather near the post office where an armed man is holed up with two hostages in Colombes, outside Paris.  (AFP/Getty Images)

French Research and Intervention Brigades (BRI) officers gather near the post office where an armed man is holed up with two hostages in Colombes, outside Paris.  (AFP/Getty Images)

French Research and Intervention Brigades (BRI) officers gather near the post office where an armed man is holed up with two hostages in Colombes, outside Paris.  (AFP/Getty Images)

French Research and Intervention Brigades (BRI) officers gather near the post office where an armed man is holed up with two hostages in Colombes, outside Paris.  (AFP/Getty Images)

French Research and Intervention Brigades (BRI) officers gather near the post office where an armed man is holed up with two hostages in Colombes, outside Paris.  (AFP/Getty Images)

French policemen stand near the post office (background, yellow sign) where an armed man is holed up with at least two hostages in Colombes, outside Paris.  (AFP/Getty Images)