Investigators in Turkey are trying to find out what caused a fired near Istanbul the killed up to 14 people. The victims were workers at a construction site of a suspermarket in an eastern suburb of Istanbul. They died when fire swept through their dormitory tent as they slept.
A second tent also caught fire but it is not thought anyone was sleeping there.
The mayor of the district said initial investigations suggested the blaze was started by an electric heater or a short circuit. Istanbul is currently experiencing a bout of wintry weather.