VIDEO: Firefighters say a first-alarm house fire in Guadalupe Sunday night is "suspicious in nature." The blaze broke out around 7:10 p.m. near Interstate 10 and East Calle Magdaena. When crews arrived, they found both the main and a second structure on the property on fire. Everyone in the home was able to get out safely, said Maricopa County Sheriff's Office Sgt. Calbert Gillett. Authorities say the investigation is ongoing. Stay with ABC15 News and abc15.com for updates.