The children were aged one, four and six.
The mid-term results in the state of Florida reflected the overall national picture across the United States.
Mike Ross filmed the moment he came within touching distance of the creature off the coast of Naples, Florida.
Tallahassee Police Chief Michael DeLeo said some in the studio showed courage and tried to stop him.
Four people are in critical condition, police said.
Mexico Beach was nearly wiped off the map when Hurricane Michael blew ashore on Wednesday.
It was the worst hurricane in recorded history for the area it has hit.
Abraham Duarte thought his get away would be made easier if jumped into the water. He was wrong.
Multiple people have been shot dead in a mass shooting in Florida, the local sheriff's office has said.
Florida Fish and Wildlife Conservation Commission officials said that a post-mortem confirmed the alligator bit the woman.