The shooting occurred at about 1 a.m. local time outside of the Methodist North Hospital in Raleigh, a community of 31,000 people northeast of Memphis, CBS affiliate News Channel 3 reported. Police officials were not immediately available for comment.
Police told Channel 3 that three of those wounded were in possession of a suspected stolen vehicle at the time of the shooting, and had since been detained. Three of the adults and one juvenile were in critical condition.
A car riddled with bullet holes was seen outside of the hospital after the incident, Channel 3 reported.
Methodist North was placed on lockdown until shortly before 3 a.m. when people were allowed to leave, hospital officials told the station.
Four of the victims were taken to Regional One hospital, while two juveniles were taken to Le Bonheur hospital.