VIDEO: An overnight house fire kept Phoenix firefighters busy as the flames spread to an adjacent home. Fire crews arrived at a working house fire near 45th Avenue and Pinnacle Peak Road before 1 a.m., according to the Phoenix Fire Department. The fire was so intense, the flames began to spread into the attic of the home next door. The Phoenix Fire Department said firefighters encountered heavy fire that appears to have started in the garage of the first home. Crews searched the home for any trapped victims and began to extinguish the fire in the original home. Another crew then knocked down the attic fire in the other home.