Two people fighting off sharks on sunken boat rescued near Louisiana

Watch as the Coast Guard rescues the crew of a sinking boat around 25 miles off the Louisiana shore

The Coast Guard says two people from a sunken fishing boat were fending off sharks in the Gulf of Mexico when a crew rescued them and one other person from waters off the Louisiana coastline.

The Coast Guard launched a search after a relative reported the three people failed to return from a fishing trip on Saturday evening.

The 24-foot (7.3-metre), centre-console fishing boat sank on Saturday and stranded the three people without communication devices, the Coast Guard said.

The three were wearing lifejackets and one was showing signs of hypothermia when they were rescued on Sunday about 25 miles (40.2 kilometres) offshore from Empire, Louisiana, a small community southeast of New Orleans.

A Coast Guard boat crew saw two of the people fending off sharks, and both of them had injured hands. The crew pulled them from the water, and the two were lifted onto a helicopter. The helicopter crew lifted the third boater from the water.

The two injured people were taken to University Medical Centre New Orleans, where they were listed as stable.

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The Coast Guard did not release their names and did not specify whether the injuries were from bites, from being scraped against sharks' sandpaper-like skin or from another cause.

“If the family member had not notified the Coast Guard, and if these three boaters were not wearing life jackets, this could’ve been a completely different outcome,” said Lieutenant Commander Kevin Keefe, a Coast Guard search and rescue mission coordinator in New Orleans.

A news release said Coast Guard crews in two boats, two planes and a helicopter searched about 1,250 square miles (3,237.5 square kilometres) of water during the rescue.