Three of the four crew members trapped inside the Golden Ray have been rescued, a day after the massive cargo ship capsized, according to the U.S. Coast Guard.

Rescuers are working on removing a fourth crew member, Coast Guard Capt. John Reed said at a Monday afternoon news conference.

The three who were rescued were together in the same spot, according to Reed. The fourth is stuck behind glass, enclosed in an engineering control room and has not had access to fresh water or food like the three others, he said.

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“Those same experts that got us to where we are now, we’re going to find a safe way to get him safely extracted from that room as well,” Reed said.

The Coast Guard rappelled down the side of the overturned ship and drilled through the hull, making a hole about two feet by three feet for the extraction, Reed said.

The initial rescue team has faced a language barrier in communicating with the South Korean crew members, Lt. Lloyd Heflin told The Associated Press.

The crew members apparently became trapped in the engine room Sunday after the vessel overturned and caught fire in the early morning hours on the St. Simons Sound off the coast of Brunswick, about 80 miles south of Savannah.

South Korea’s foreign ministry said Sunday that the Hyundai Glovis cargo ship Golden Ray, which was transporting automobiles, had begun listing and then capsized. It was unclear how many vehicles were being shipped.

The Golden Ray, which is 656-feet-long, 106-feet-wide, was sailing under the flag of the Marshall Islands, the ministry said.

The ship had 24 people on board, including 23 crew members and one pilot, the Coast Guard said.