Authorities say two people are dead and three others in critical condition after a home fire in a Phoenix suburb. First responders from the Tempe police and fire departments arrived on the scene about 11:30 p.m. Sunday and found the mobile home was fully engulfed. Firefighters prevented the blaze from spreading to other homes. Authorities say one adult and a child were found dead inside, and two adults and a child were taken to a hospital with critical injuries. Authorities say the cause of the fire is being investigated.