Police said officers responded to a report of explosions at Sea Trace, Bagatelle Road, at 11.30 p.m.
The bullet riddled body of a man was found lying in the galley of a house.
The officers also discovered a blue Nissan Almera car engulfed in flames. The vehicle was parked on the roadway, near the house.
Fire services and Emergency Medical Services (EMS) were contacted and the blaze was extinguished.
The charred remains of a man was later found in the trunk of the vehicle.
Residents said they heard several persons arguing in the area earlier that night.
Police said the men were not identified.