At approximately 1:40 a.m. Thursday morning, San Bernardino County Fire responded to the intersection of Foothill Blvd and Alder Ave for a reported traffic collision involving a semi truck. Arriving engines located a two vehicle collision with minor injuries. The semi truck’s fuel tank was damaged causing over 250 gallons of diesel fuel to spill on the roadway and into a nearby drainage. Hazmat was requested for clean up of the spill. It is unknown how long Foothill Blvd will be closed for clean up at this time. Fontana Police department will be handling the traffic investigation.