According to Coast Guard Sector Houston-Galveston, watchstanders received a mayday call at about 4:47 p.m. on Monday from a crew member who said their tug and barge were rolling over on their side with four people aboard.
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Officials said the boat crew pulled three people on board from a life raft and taken to Station Freeport.
The fourth person, who reportedly suffered a back injury, was hoisted into a helicopter and flown to the University of Texas Medical Branch Galveston.
Their conditions are unknown.
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