A picture released on the Facebook account of Kevin Barrallon on September 7, 2017 shows flooded houses in Gustavia on the French overseas collectivity of Saint-Barthelemy in the Caribbean following hurricane Irma. Hurricane Irma sowed a trail of deadly devastation through the Caribbean, reducing to rubble the tropical islands of Barbuda and St Martin and claiming at least seven lives. Pic/AFP

Hurricane Irma, described as one of the most powerful Atlantic storms in a century, has killed at least six people in the French Caribbean island territory of Saint Martin, a local government official said.