A German couple and their child drowned in a tourist submarine accident overnight off Egypt’s Red Sea resort town of Hurghada, security officials told AFP.
The victims were a German man, his wife and child, they said.
Thirteen other tourists of different nationalities were rescued.
Egyptian state television said a preliminary tourism police investigation found that the submarine had collided with a coral reef, shattering a glass partition and filling the vessel with water.
Four of the rescued tourists were taken to hospital, state television reported.
Millions of tourists visit Egypt’s Red Sea resorts, especially Sharm el-Sheikh, for its beaches and rich underwater life.
But in December 2010, a mysterious spate of shark attacks killed one tourist and injured four others, forcing the closure of Sharm el-Sheikh’s beaches for several weeks.