EXETER TOWNSHIP, Wis. -- Alcohol is believed to be a factor in a crash that killed a Belleville man on Saturday night, police said.

Investigators said the crash happened in Exeter Township, just north of Schaefer Road, at about 8:40 p.m.

Authorities said Stevelyn Knutson, 48, wasn't wearing a seatbelt and was ejected after his vehicle overturned. He died at the scene.

Authorities said they believe alcohol contributed to the crash.

This is the fourth traffic fatality for Green County this year, police said.