Ship tracking contradicts Greek Coastguard's report on boat tragedy.

Analysis of ship tracking data by the BBC suggests that the migrant ship that capsized off the coast of Greece was stationary for at least seven hours before it sank, casting doubt on the Greek coastguard's claim that the boat was on a course to Italy and not in need of rescue. The UN has called for an investigation into Greece's handling of the disaster, amid claims more action should have been taken earlier to initiate a full-scale rescue attempt. Greek officials maintain those on board said they did not want help and were not in danger until just before their boat sank.