Firefighters responded to a residential structure fire in downtown Suffolk early Friday morning.

The fire in the 800 block of Battery Avenue was reported at 12:22 a.m., according to a city press release. The first units arrived at 12:29 a.m. and found a detached shed fully engulfed in flames, which were starting to spread to the rear of two adjacent homes.

The residents of the homes were able to get out safely while firefighters limited extension of the fire to the exterior of the residences. The fire was marked under control at 12:43 a.m.

The residents will not be displaced, and no injuries were reported.

The cause of the fire is under investigation.