SAN BERNARDINO On Saturday December 29th 2018, at 11:18pm, San Bernardino County Fire Department responded to a residential structure fire at 3371 N. Broadmoor Blvd. The San Bernardino County Sheriff’s Department helicopter “40 King” arrived on scene overhead, and reported heavy flames coming from the house. Fire crews arrived on scene and began an aggresive attack on the fire. Fire crews knocked down the fire within the hour, and conducted a primary search of the residence, concluding with an “all clear.” This is the second residential fire of the evening within San Bernardino city limits. The cause of the fire is under investigation.