The Seminole County Sheriff's Office says that the dog named Maxx helped firefighters find the 4-year-old boy and 2-year-old girl Monday night in their home in the Orlando suburb, Longwood.

"Maxx, the family dog, is credited with assisting firefighters through the heavy smoke to the location of each of the two children," according to a GoFundMe pageset up for the family.

Moments earlier, neighbors who saw the fire spreading called 911, broke windows and helped evacuate the children's mother, Margo Feaser.

Firefighters then were able to rescue Feaser's husband, as well as the two children with Maxx's help.