RAPID CITY, S.D. (AP) — Authorities say the South Dakota National Guard used a Black Hawk helicopter to rescue a man trapped in a crevasse after falling about 100 feet in Badlands National Park.

Volunteer firefighters had first attempted to reach the 33-year-old man with technical rope and other climbing techniques but were unsuccessful. The man was hoisted from the mountain about 8:45 p.m. Saturday. Officials say he was suffering from injuries to the head and lower legs. His condition is not known.