BOULDER COUNTY, Colo. — Boulder County officials will provide a news briefing on the Marshall Fire and Middle Fork Fire at 10 a.m. Friday at the Boulder County Sheriff’s Headquarters.

The Marshall Fire was reported just after 11 a.m. Thursday and spread quickly throughout the day, reaching around 1,600 acres by the evening and destroying hundreds of homes. The Middle Fork Fire was reported just before 10:30 a.m., but according to officials, it was attacked quickly and under monitoring by late afternoon with no structures reported lost.

The update will be live-streamed on this page.