House fire reported in Harlingen's southside

Authorities are trying to learn what caused a house fire at a home on Harlingen's southside late Friday afternoon.

It all happened at a home off Lousiana Street and Calle Condessa.

Investigators told Action 4 News that the fire started in the rear bedroom of the home but they're not sure what caused the fire.

Neighbors said nobody was living inside the home at the time of the fire.