Police are investigating a shooting involving multiple people in Mesa Sunday night.

Officers responded to the Albertsons parking lot in the area of Val Vista and University drives around 7:30 p.m. after receiving reports of a shooting. When officers arrived to the scene they found two people suffering gunshot wounds in the parking lot, a Mesa police spokeswoman said.

Witnesses told police that four people arrived at the parking lot in the same car, police said. Shortly after the group arrived gunshots were heard in the car and the suspect sped off before police arrived. Both people are hospitalized with serious injuries.

Shortly after the incident in the Albertsons parking lot, a third victim was found just blocks away from the first scene near University Drive and Camino Street.

According to police, the person also suffered injuries and was taken to the hospital. His or her condition hasn't been released and it's unknown how they were injured at this time.

Authorities were able to locate the suspect's car near Adobe and Greenfield roads. The driver was also found with injuries and taken to the hospital, officials said.

His condition hasn't been released.

It's believed all four of the people know each other, a Mesa police spokesperson said. It's possible that the incident is drug-related.

An investigation into the incident is ongoing.