GLEN JEAN, W.Va. — The National Park Service is searching for an Illinois man who disappeared while swimming in a rapids area with friends in West Virginia.

New River Gorge National River said in a news release Friday that 28-year-old Abdulrahman Binomran of Oak Park, Illinois, was swimming with three friends in the pool above Fayette Station rapids when they decided to swim through the rapids. The release said the friends were able to make it to shore, but Binomran was not and disappeared just downstream. None of the swimmers was wearing a life jacket.

A search began Thursday evening and resumed Friday morning. Trained search and rescue divers from other agencies are also involved.

The Park Service said New River water levels and conditions change quickly, and flotation devices are essential for safety.