Egyptian authorities have questioned the crew of a tourist submarine which sank in the Red Sea killing six of the 45 passengers on board. The 39 other passengers, and five crew were rescued on Thursday after the Sindbad vessel foundered at about 10:00 local time (08:00 GMT), officials say. Nine people have been injured, including four critically.

Egyptian officials say a submarine tourist vessel with 45 passengers and 5 crew sank off the country's popular Red Sea coast, killing at least six people.

Six Russian tourists were killed on Thursday after a viewing submarine sank near the Egyptian resort city of Hurghada, according to the local governor.