A fire burned at least three businesses in a Montclair complex. The fire was reported in the 4700 Block of Holt Boulevard just before 8:30 Thursday morning. The fire was immediately upgraded to a 2nd then 3rd alarm bring resources from Chino, Rancho Cucamonga, San Bernardino County and Los Angeles County Fire Departments.
It took firefighters over an hour to gain control of the fire. The cause is under investigation.