Two men were killed early Thursday morning in Alabama when their Nissan car ran off the road, struck a tree and burst into flames, authorities said.

The identities of the two men were still being determined, Jefferson County Coroner’s Office official said.

Law enforcement was called just before 2 a.m. Thursday to a location on Snowville Brent Road to a report of fire.

Deputies arrived and found the fire was caused by a a vehicle that apparently had run off the road and collided with a tree.

The accident remains under investigation, officials said.