LAKEPORT, Texas (AP) — Authorities say a 3-year-old boy has died in an East Texas house fire that left three other people hurt.

Gregg County officials are trying to determine what sparked the fire Tuesday afternoon at a rural home near Lakeport.

Justice of the Peace James Mathis says a boy was found dead in the home. The youngster's name wasn't immediately released.

Officials say an adult and two other children were transported to a hospital. Names and further details on those victims weren't immediately released.

Lakeport is a town of about 1,000, located 120 miles southeast of Dallas.