UPDATED, 7:11 p.m.: The minor brush fire reportedly started in a dumpster, according to Sergeant Erick Kim of the . The cause is still unknown at this time.
UPDATE, 7 p.m.: Fire fighters have the minor brush fire 100 percent contained, according to scanner reports. Crews reportedly will remain on scene to assess a possible cause. The size of the fire is reported at around one and a half acres.
PREVIOUSLY: A small brush fire is burning in the hills above Diamond Bar.
The fire was reported some time around 6:20 p.m. behind the 2000 block of Shannon Court. and is burning in medium brush. The fire is 75 percent contained.
Officials are giving a preliminary estimate to the size of the fire as an acre to an acre and a half and might threaten structures, according to scanner reports. The fire is being pushed by southerly winds. A helicopter is reportedly being summoned to help with the incident, according to scanner reports.
There is no indication as of yet to the cause of the fire.
This story will continue to be updated as information becomes available.