HOUSTON -

Firefighters in southeast Houston are battling a fast moving house fire, according to authorities.

Crews were called to the home on Calhoun Road and Idaho Street around 9 p.m. Thursday.

Authorities said the fire started in the front bedroom.

Two toddlers and an adult were inside the home when the fire started. No one was hurt.

Arson investigators were at the scene Thursday night, but have not yet said what caused the fire.