SCOTTSDALE, Ariz. - Firefighters with the Phoenix and Scottsdale fire departments worked to put out a house fire late Monday night at a $2.5 million home near Pima Road and Diamond Rim Drive.

According to fire officials, the owners were not inside the 6,400 square-foot home at the time of the fire started around 11:30 p.m. Fire officials believe the home is the owners' second home.

Fire officials said the house is a total loss.

The cause of the fire is under investigation, fire officials said. No injuries were reported.