VISTA: At around 5:40pm multiple reports of a structure fire came out on the 1200 block of Eucalyptus Ave. A working upgrade was established and a defensive attack was made. Firefighters from Vista, Oceanside. Carlsbad & San Marcos assisted. 2 people inside of the home were able to escape after noticing a door was beginning to bow. The cause of the fire is unknown at this time but is under investigation. Several witnesses stated hearing multiple small explosions coming from the garage where the fire is believed to have started. There is no additional information at this time.