Coast Guard: 4 crew members missing from overturned cargo ship

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The Coast Guard and law enforcement are searching for four missing crewmembers after a large cargo freighter overturned early Sunday morning, officials said.

On Twitter, the Coast Guard's 7th District reported that it and local agencies are on the scene of the Golden Ray cargo vessel, which was had capsized near St. Simons Sound in Georgia around 2 a.m.

Currently, officials have rescued 20 people. Four others who were on the ship remain unaccounted for.

The Coast Guard shared a photo of the 656-foot cargo freighter, which had turned almost completely to one side.

The Port of Brunswick has established an emergency safety zone in St. Simons Sound. Vessels are not authorized within a half-mile of the Golden Ray, which is lying on its side and on fire.

The cause of the ship's capsizing is under investigation.

The Associated Press contributed to this report.