Wichita ? A 45-year-old woman who confronted her husband and his pregnant girlfriend was in serious condition Thursday after being stabbed in the head with a screwdriver.

Police say the woman found her husband, 42, and his girlfriend, 20, around 1 a.m. Thursday outside a Sonic restaurant.

Police say the girlfriend got out of a vehicle and stabbed the man’s wife eight times in the head with a screwdriver. The girlfriend was arrested on suspicion of aggravated battery and criminal threats.

The husband was not charged.