One person has died after an explosion caused by fireworks at a Simi Valley home Thursday

SIMI VALLEY, Calif. – Fireworks sparked an explosion that killed one person and ignited a house fire Thursday afternoon in the 1600 block of Edmund Street in Simi Valley, according to the Ventura County Fire Department.

Firefighters responded to multiple 911 calls reporting an explosion around 11:48 a.m. Crews arrived to find a structure fire, with flames spreading from the garage into the attic and main areas of the home. The fire was fully knocked down by 12:42 p.m.

The Ventura County Medical Examiner’s Office is working to identify the deceased and notify next of kin.

According to the Simi Valley Police Department, fireworks caused the explosion. Police have asked the public to avoid the area while crews continue overhaul operations.

The cause of the fire remains under investigation.