US coast guard rescues man bitten by shark while fishing near Bahamas

• Fisher saved by a tourniquet and dramatic rescue in choppy seas
• Shark bites remain vanishingly rare

The US coast guard has released dramatic footage of a fisher being lifted to a helicopter after being bitten on the arm by a shark.

The coast guard in Miami was contacted on Monday by the crew of the motor vessel Shear Water", the agency said in a statement.