The six victims are in their 20s and 30s, and all have extensive burns, according to Dr. Kevin Foster, director of the Arizona Burn Center.

A three-year-old boy on Monday became the fourth person to die of injuries stemming from a massive explosion of fireworks a Honolulu home on New Year's Eve, police said. The blast also killed three women and injured more than 20 people,

The six patients from Hawaii’s New Year’s fireworks blast are in stable condition and expected to survive, according to the doctor in charge of treating them at a specialized burn center in Arizona.