A Nebraska man is being treated for serious hand and arm injuries he received in a grain bin accident.

Perkins County authorities say the auger 32-year-old Jacob Lee of Grant was working on Wednesday accidentally turned on. Lee's hands and arms became entangled in the auger which caused extensive damage.

Some of Lee's co-workers performed first aid and transported him to a county highway to meet the ambulance. Authorities say Lee was flown to a Colorado hospital where he is being treated.

The accident happened on a farm north of Madrid, Neb., which is about 15 miles southeast of Ogallala.