A Lower Valley house caught fire twice in 24 hours. Now El Paso investigators say the second fire was intentional.

Update: After the initial fire Sunday evening, the house caught fire again Monday morning. According to a spokesperson with the El Paso Fire Department, investigators determined that the second fire was started intentionally. The cause of the first fire remains unknown. Both fires are still under investigation.

EL PASO, Texas (KVIA) -- A house on the 600 block of North Yarbrough Drive caught fire Sunday evening, according to the El Paso Fire Department.

Nobody was injured, and the fire was put out in approximately 30 minutes, according to first responders.

Crew remained on scene to look out for hot spots.

ABC-7 is working to learn the cause of the fire.