A snowboarder was seriously injured after he plunged nearly 50 feet from a chairlift at a Colorado resort, officials said. A witness sitting in the same chair said the snowboarder was adjusting the bindings on the snowboard while the restraint bar was up, the Passenger Tramway Safety Board said in an emailed statement.

A 32-year-old snowboarder fell about 47 feet from a chairlift at Keystone Ski Resort on Wednesday afternoon. A report from Colorado Public Radio about the incident indicates that the male snowboarder was tightening his bindings when the fall occurred,