Two victims have been shot in unincorporated Suwanee, according to Gwinnett County Police.
The victims, who have not been identified, were taken to Gwinnett Medical Center, both with life threatening injuries.
Cpl. Michele Pihera said in an email that the call came from 2090 Pendleton Place around 2:00 p.m.
"The caller stated that she heard gunshots outside her home," said Pihera in an email.
Bullets hit another home nearby, though nobody was injured in that residence.
Officers initially heard about a single gunshot victim, but the second victim arrived at the hospital some time later, after authorities were already on scene at the Pendleton Place home.
"Detectives are still trying to determine if the two subjects at the hospital are both victims, or if one is a victim and one is a suspect," said Pihera.
Anyone with information on the case is asked to contact Gwinnett County Police.