(The Center Square) — John McLean, the Democratic Senate nominee in Arizona’s 17th Legislative District, died in a vehicle crash on Friday morning, according to the Tucson Police Department.

According to a city of Tucson news release, McLean’s vehicle was struck by another driven by 27-year-old Michael Martin Creel, who authorities found to be “impaired” at the time of the crash. Creel is charged with manslaughter and driving under the influence, and he is in the custody of Pima County.