SAN BRUNO, CA (KGO) -- At least one person is dead and mulitple homes are on fire after a large explosion in the area near highways 280 and 380, Skyline Boulevard and Sneath Lane in San Bruno.

A large fireball up to 50 feet in the air continues to burn out of control in the Crestmoor Two area. Fire crews are attacking the fires from the air and ground. As many as 25 homes are on fire or have burned.