A 9-year-old boy helped to save his brother and mother after the family's New Bedford, Mass., house caught on fire early today, the local fire department said.

The boy called and reported the fire in his two-story home at 4:30 am.

"There's a fire in the house," the boy calmly tells dispatchers in the 911 call, which was released to media. "My brother and mom are stuck in the room."

Later, he puts his father on the line, who tells the operator that his wife and child are stuck in a bedroom.

"There's too much smoke!" he yells, distressed.

Responders discovered an unconscious female and a male covered with serious burns on the second floor of the house.

Both injured family members are alive and being treated at a local hospital.

"Fire safety training is provided to all third graders in the New Bedford Public Schools to prepare them to take action during emergencies like this," said New Bedford Fire Chief Michael Gomes in a statement.

The cause of the fire is still under investigation.