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CLINTON, Md. (WUSA) -- Prince George's County Fire spokesperson Mark Brady tells us that the man trapped in mud up to his waist at Cosca Regional Park Lake has been rescued.

According to Brady, fire personnel had responded to the call at the park shortly before noon on Thursday and discovered the Cosca Lake had been mostly drained.

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The park is in the 11000 block of Thrift Road in Prince George's County. Prince George's County Firefighter/Medics and the Departments Technical Rescue Team rescued a worker who had been trapped in mud up to his waist. Cosca Lake, which encompasses about 11 acres and is part of the 690 acre Cosca Regional Park, is at 11000 Thrift Road in Clinton and is managed by the Maryland National Park and Planning Commission.

Cosca Lake is undergoing renovation and has been nearly drained of its water. An employee performing work on the lake became stuck in the muddy lake bed and sank. Firefighters used ground ladders stretched about 65 feet over the ground from shoreline to the victim. Fortunately, the adult male victim was wearing waterproof wading pants. The design of the pants prevented the thick mud from compressing the man's legs, only the pushing up against the exterior of the wading pants.

Firefighters and Technical Rescue team members dug away the top layer of mud and then were able to lift the man up and out of his wading pants that remained stuck in the mud. He was escorted over the ladders to the shoreline where awaiting medics initiated treatment. 27 members of the Fire/EMS Department were on the scene and needed 45 minutes to rescue the man, who had been trapped just over an hour before he was rescued.

The rescued man was transported to an area hospital by paramedics but did not appear to have suffered any serious injuries.