One person is dead after a house fire in Simi Valley, which authorities believe may have been caused by a possible explosion Thursday afternoon. The Ventura County Fire Department said they received calls around 11:48 a.m. about a possible explosion that could have been caused by fireworks on the 1600 block of Edmund Street.

Firefighters responded to a house fire and possible explosion Thursday in Simi Valley. The fire was reported late Thursday morning in the 1600 block of Edmund Street. The Simi Valley Police Department asked people to avoid the area.

SIMI VALLEY, Calif. - One person was killed in a house fire that officials believe was caused by fireworks. Firefighters with the Ventura County Fire Department responded to a home at 1666 Edmund St. in Simi Valley around 11:48 a.m.