Arson investigators determined the cause of the fire was smoking while using oxygen.

Fire damages two vacant apartment buildings in south Louisville; no injuries reported, cause unknown.

Louisville Fire responded to a house fire around 11:30 p.m. Saturday in the 200 block of North 19th Street, near Columbia Street, said Captain Donovan Sims said in a news release. 

Fire officials were called to the 7200 block of Alameter Court around 2:45 a.m. on reports of a structure fire with a rescue.

Officials could not provide any other details, and it is unknown if a car has been located. 

The cause of the fire is under investigation.

The fire broke out in the 4200 block of Monticello Avenue early Tuesday morning.

A docking bay fire at a Louisville business caused a large cloud of smoke in the area Tuesday afternoon.

Two vacant homes caught fire in the Russell neighborhood Tuesday evening, according to Louisville Fire.

Officials said people who evacuated should not plan to return until at least Wednesday.