The dramatic blaze was burning in the 1200 block of Mountain View Avenue, the San Bernardino County Fire Department said on Twitter at 4:22 a.m. At least 19 fire engines were on scene, along with a bulldozer and a hand crew, the agency said.
SAN BERNARDINO (Update): Additional trucks assigned for a total of 5. 1 dozer, 1 hand crew, & 5 additional engines w/ overhead requested Krn pic.twitter.com/FgLTaTphEQ— SB County Fire (@SBCOUNTYFIRE) November 4, 2016
There were no immediate reports of injuries.
The cause of the fire was unknown.