Six are feared dead after a tourist submarine sank in the Red Sea off the coast of Egypt, according to local reports. At least nine more are said to have been injured.

Multiple ambulances have been deployed to the scene in Hurghada, a city on the Red Sea coast, that's a popular destination for British tourists. The cause of the incident has not yet been revealed. Local media reports that a vessel named ‘Sindbad’ sank with around 44 passengers of different nationalities on board.

Four passengers out of the nine injured are understood to be in critical condition and fighting for their life, the Metro reported. At least 29 people have been rescued in the moments after the boat sank.

The group are believed to have paid for a sea trip to inspecr the coral reefs in the Red Sea, but the vessel capsized in front of the marina of one of the famous hotels in Hurghada, claimed sources cited by Al Masry Al Youm.

Sources have confirmed that the Red Sea Health Directorate and the Egyptian Ambulance Authority have been placed on maximum alert and 21 ambulancefs have been dispatched to the scene to transport the injured to hospital.

Unlike a traditional submarine, these boats do not fully submerge and passengers can observe marine life from the lower deck. They have been running in the area for years. 

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