A 13-year-old boy was arrested on suspicion of setting off fireworks that sparked a wildfire this week in coastal Southern California, forcing the evacuations of about a hundred canyon homes, authorities said.

The Rancho, which burned nearly five acres in Laguna Beach, prompted evacuations and caused power outages. A 13-year-old boy was arrested this week, accused of setting off illegal fireworks that sparked a wildfire in Laguna Beach, Calif., that burned nearly five acres and led to evacuations and power outages, the authorities said.

Homeowner Earl Decastro, 46, was nabbed and booked for involuntary manslaughter, though he has since posted his $25,000 bail.