PEWAUKEE, WI (AP) -

A Waukesha County deputy was injured while trying to rescue a suicidal man at a rock quarry in Pewaukee.

The sheriff's office says the incident happened late Saturday night at the Waukesha Lime and Stone Co.

Family members told authorities the 23-year-old man was at the quarry and suicidal. When deputies arrived, they found he had rammed his car through the fence and was standing at the edge of the quarry. Capt. Michelle Larsuel tells WTMJ-TV that deputies tried negotiating with him but he jumped off the edge into the quarry.

Due to icy conditions, deputies had trouble reaching the man. One deputy slipped and injured his ankle.

The man who jumped was flown to Froedtert Hospital with serious injuries.