The Dorchester County Sheriff’s Office is investigating an incident at a Summerville apartment complex during which shots were fired, authorities said.

The incident happened in the area of the 100 block of Cedar Grove Drive at the Dorchester Manor apartments, according to Chief Deputy Sam Richardson of the Dorchester County Sheriff’s Department.

Two people were arguing when one pulled out a handgun and fired shots into the vehicle of the other, he said. No one was injured.

The incident is under investigation.