Arson investigators made an arrest Thursday in a fire that was started in the basement of North Side High School.
Jose Esparza-Romero, 19, a former student, was identified from tips submitted to Crime Stoppers, the Fort Worth Fire Department said.
The fire, set Friday, did not cause structural damage but did cause some smoke damage, the Fort Worth school district has said. Classes were not disrupted.
Esparza is also suspected of setting fire to a lawnmower outside the school.