A midnight shooting outside a Memphis hospital's emergency room left eight people injured and resulted in a complete lockdown of the facility and the surrounding areas, police said early Tuesday.

Memphis Police Department officers responded to the incident at 12:47 am ET Tuesday, ABC24 reported. Officials said that a silver sedan, which stopped at the median near the intersection of Austin Peay and Walter K.Singleton Pkwy, had more than 20 bullet holes on the driver's side. All four doors of the vehicle were open, police added.

The hospital began allowing people to leave around 3 am ET. An employee at the facility said that at least seven people were being treated for gunshot wounds. Police have not revealed any information on the victims.

A semi-automatic rifle was photographed lying on the ground at a gas station around the corner of Raleigh LaGrange and Sycamore view, WREG reported. However, there has been no official confirmation about the weapon used in the shooting.

The motive behind the shooting remains unclear. Police also did not reveal any details related to the owner of the vehicle or the shooter.

"Early this morning, a shooting occurred near Methodist North Hospital. No hospital employees were harmed. Six patients were treated and transported to Regional One and Le Bonheur hospitals," a spokesperson for Methodist Le Bonheur said, according to Fox 13.

"We appreciate the swift action from our employees to guide patients away from the ED waiting area so our security team and Memphis Police Department could respond quickly. We are working with local law enforcement who are continuing to investigate. The hospital is not on lockdown at this time."

Philly shootout wounds six cops
Police officers congregate outside a residence while responding to a shooting on August 14, 2019 in Philadelphia, Pennsylvania. At least six police officers were reportedly wounded in an hours-long standoff with a gunman that prompted a massive law enforcement response in the city's Nicetown-Tioga neighborhood. Photo by Mark Makela/Getty Images