Coast Guard crew members rescued four fishermen about 25 miles southeast of Nantucket, after their boat started taking on water.

The Coast Guard says the crew aboard the 71-foot Olivia Catherine called authorities shortly before 5 a.m. Saturday after the fishing vessel started flooding.

Coast Guard members from Air Station Cape Cod flew out to the ship in a helicopter and lowered two de-watering pumps to the fishermen, who used the pumps to keep the boat from sinking.

A Coast Guard rescue boat later met up with the Olivia Catherine and escorted the ship to New Bedford, where it arrived at about 5:30 p.m. Saturday.

It's not clear why the fishing boat started taking on water.

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