Two Michigan firefighters were seriously injured in a crash with a tractor-trailer Friday.

The accident involving a Lincoln Park fire apparatus and a semi happened at about 8:15 p.m. along Intestate 75, Metro Detroit News reports. One firefighter was taken to the hospital in critical condition, and the other firefighter was seriously injured, according to WXYZ-TV.

It's unclear if the tractor-trailer driver was injured in the incident.