Update 3:11 p.m. ET: CBS News reports three killed and six wounded in the shooting. NBC updated reports to state the individual taken into custody is a 15-year-old student at the school.
Original Post: As many as six people were reportedly wounded when a gunman with a handgun opened fire at a suburban Detroit high school, and authorities say the shooter is in custody, NBC News reports.
At least four people were injured, with some sources saying six were hit during the incident at Oxford High School in Oakland County. No information on the shooter has been released, and no fatalities have yet been reported.