Officer Antwan Toney, 30, was killed on Saturday in Snellville, Georgia

One suspected is in custody and another is sought after a police officer was fatally shot in Georgia.

Gwinnett County police officer Antwan Toney, 30, was shot on Saturday while responding to a call about a suspicious car parked in a residential area near a middle school in Snellville.

Hours after the shooting, Isaiah Pretlow was arrested and charged with aggravated assault.

Police said that suspect Tafahree Maynard is still at large, but has been charged with felony murder and aggravated assault in connection with with the shooting.

Police say that Toney and other officers were approaching the vehicle parked in a neighborhood near Shiloh Middle School when shots rang out from the inside at about 3pm.

Isaiah Pretlow (left) was arrested and charged with aggravated assault. Tafahree Maynard (right) is still at large, but has been charged with felony murder and aggravated assault

The other officers returned fire and pulled Toney to cover after he was shot, and the suspect vehicle sped off.

Toney was rushed to Gwinnett Medical Center, where he died as a result of his injuries.

Meanwhile, the suspect vehicle crashed about a mile away from the scene of the shooting.

Police flooded the area near a middle school after a police officer was shot

As many as four suspects are believed to have fled the crash scene on foot.

A witness at the scene was only able to describe one of the suspects, saying he was a black male standing about six feet, with long dreadlocks, wearing green sweatpants and a white T-shirt.

SWAT teams and K-9 units flooded the area, which consists of residential subdivisions and wooded areas.

Toney (left and right) had been on the Gwinnett Police for three years. It was his first job as a cop - he had previously worked as a security guard and grew up in California

Police are uncertain whether any of the suspects were injured when police returned fire.

Toney joined the Gwinnett County Police three years ago. He is originally from California and celebrated his birthday just days ago.

It is the agency's fifth death in the line of duty.

Snellville is about 25 miles northeast of Atlanta.