An early morning fire following reports of an explosion Thursday, Aug. 24 destroyed a San Clemente home and damaged another, firefighters said.

No injuries were reported in the 3 a.m. blaze. It took firefighters about an hour to put out the blaze in the 100 block of Avenida Dolores, according to Capt. Larry Kurtz of the Orange County Fire Authority.

The residents of the home are safe but a family dog was loose in the neighborhood, officials reported. The cause of the blaze is under investigation, but firefighters said they discovered a ruptured gas line and had to shut it off.

San Clemente- Fire knocked down, still working on ruptured gas line shutoff; Cause of fire under investigation. Residents are safe. pic.twitter.com/KHHhmKDLWP — OCFA PIO (@OCFA_PIO) August 24, 2017

San Clemente- OCFA on scene of a well involved residential fire; report of explosion; 100 block of Ave. Delores. pic.twitter.com/9WB4MrhY3Y — OCFA PIO (@OCFA_PIO) August 24, 2017

City News Service contributed to this report.