A mother of three was arrested after police found her children locked inside a pickup truck at a Marathon gas station for as long as three hours with a loaded handgun on the floor, Riviera Beach police said.
Officers responded about 1:30 p.m. on Monday to a report of a truck and trailer left at a pump at the Marathon station near the intersection of Congress Avenue and Martin Luther King Jr. Boulevard, police said.
Inside the vehicle, they found a 20-month-old, a 5-year-old and a 16-year-old alone, investigators said.
As officers searched for the parents, they discovered a fully loaded 9 mm handgun on the floor of the truck, police said…