Four crew members die and seven missing after cargo and container ships collide in the North Sea Thirteen members of the crew rescued | UPDATED: 23:53 GMT, 5 December 2012 Four members of the crew of a ship that collided with another in the North Sea have died. A further seven are missing after the crew of the Baltic Ace took to life rafts after colliding with a container ship in freezing conditions about 40 miles from the Dutch port of Rotterdam