The Cook County Sheriff's Office was leading the search Sunday for the body of an 18-year-old Twin Cities man who disappeared over the weekend while swimming in the Temperance River.

Authorities were alerted by a 911 call just after 8:30 p.m. on Saturday to a report of a person falling into a gorge in Temperance River State Park, said a Cook County Sheriff's Office news release. The Sheriff's Office determined that the man "went through the strong current under a bridge and did not resurface," the news release said.

The family of the man is aware of the search, and the identity of the man is expected to be released on Monday, the Sheriff's Office reported Sunday.

Cook County deputies, Minnesota State Patrol, Tofte and Schroeder first responders, Cook County Ambulance, search and rescue units for Cook and Itasca counties, the U.S. Coast Guard and U.S. Border Patrol all responded to the scene.

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Search efforts lasted into the night and resumed again Sunday morning. Divers were still being used late into the afternoon Sunday, according to the Sheriff's Office.

Temperance River State Park, near Schroeder, is a popular stop on the North Shore where the river descends through a series of gorges and rapids to Lake Superior. It has been the site of at least seven other fatal accidents since the mid-1990s:

  • In August 2013, a 20-year-old Eden Prairie, Minn., man drowned while swimming in the Temperance River in Cook County.
  • In July 2009, a 45-year-old Ramsey, Minn., man drowned when he was swept away by the current while swimming in the river.
  • In June 2008, two members of a Twin Cities-area church group drowned when they were swept away after wading into a pool in the river just upstream from Highway 61.
  • In June 2001, a 22-year-old Finland man died from head injuries after falling into the river when he slipped while attempting to climb down a steep rock face.
  • In August 2000, a 50-year-old Arbor Vitae, Wis., man died after diving into the river to save his 8-year-old son, who while swimming in the river was swept by the current into Lake Superior. The father pushed his son closer to shore, where others pulled him to safety.
  • In July 1999, a 48-year-old Remer man drowned after he rescued his 12-year-old daughter from the river after she became trapped in the current. Searchers recovered his body three days after the incident.
  • In August 1996, a 14-year-old Crystal, Minn., boy drowned after he dove into the river just below a waterfall near Highway 61 while swimming with friends.