Video of a commercial building fire in Portland, Oregon.  The video was posted by pattern integrity and description is below.
“Portland Fire & Rescue crew battled a two-alarm blaze at 9405 North Ramsey Boulevard near Lombard Street in St Johns. Nearby residents reported seeing black smoke in the air. Dispatchers reported fire on the roof of a commercial structure & truck on fire.
Updated, 4:00 p.m.: Portland Fire & Rescue spokesman Jesse Altig said the blaze started outside Cintas, a uniform rental company. The cause of the fire remains unknown.”