An arson investigation is underway for the Quarry Fire burning near Deer Creek Canyon, which has grown to 431 acres, the Jefferson County Sheriff's Office said Friday morning. The fire started Tuesday night in the area of Deer Creek Canyon Road just west of Grizzly Drive. It was 4% contained as of Friday morning. There are no reports of injuries or structure damage. Read more: https://www.9news.com/article/news/local/wildfire/wildfire-deer-creek-canyon/73-71471d05-3960-4fa3-83e6-29d37005aa6a More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.