Two people were killed and two others sustained life-threatening injuries Thursday morning in a shooting at a Gaston County, North Carolina, home, according to authorities.

Gaston County Police officers responded to a 911 call reporting gunfire at approximately 8:45 a.m. Upon arrival, they discovered four victims inside the residence who had suffered gunshot wounds. Two of the victims were pronounced dead at the scene.

The remaining two victims were transported to a local hospital with injuries described as life-threatening. Police stated that lifesaving measures were administered by officers at the scene prior to the arrival of emergency medical crews.

Investigators have identified a person of interest in connection with the shooting, though further details have not been released. Authorities believe the suspect and victims were acquainted and that the incident was isolated, with no ongoing threat to the public.

Gaston County is located about 30 minutes west of Charlotte. The investigation into the circumstances surrounding the shooting is ongoing.

Authorities are asking anyone with additional information to contact the Gaston County Police Department at 704-866-3320 or CrimeStoppers at 704-861-8000.