Dubai-Muscat Offshore Race organisers said the crew of the Kingdom of Bahrain yacht, who were preparing for a race, may have been "drifting" after experiencing propeller problems.

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His father told an inquest how the 14-year-old died in his arms after he became entangled in the propeller of a rigid hull inflatable boat.

BBC: Charlie Hutton's propeller death accidental

After cutting his clothing free from the propeller, he pulled Charlie back into the boat and performed mouth-to-mouth resuscitation.

BBC: Charlie Hutton's propeller death accidental

The dangers were highlighted again at the weekend when a 28ft cabin cruiser with two adults and two people on board became stuck on the causeway after a rope was apparently caught round its propeller.

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The general manager of Tribhuvan International Airport, Ratish Chandra Lal Suman, said in a statement that the plane, a twin-propeller Dornier, had struck a vulture soon after take-off.

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The council is pursuing an insurance claim for damages after two of the reef's sand-filled bags were struck by a boat propeller in May 2011.

BBC: Boscombe surf reef director Nick Behunin 'cannot be found'