Helicopter crashes just off the west coast of Norway - TV 2

Rescuers work at a site where a helicopter has crashed west of the Norwegian city of Bergen April 29, 2016. NTB Scanpix/Marit Hommedal/via REUTERS

OSLO (Reuters) - A helicopter ferrying passengers from a Norwegian oil platform crashed in the North Sea on Friday, apparently killing all 13 people on board, rescue officials said.

The 11 passengers and two crew on the flight from the Gullfaks B oil platform, operated by Norway's Statoil , were all Norwegian except for one British and one Italian national, according to the Rescue Coordination Centre for Southern Norway.