Boulder Fire-Rescue responded to a fire in the 1000 block of Pearl Street Monday night. The fire was first reported just before 8 p.m. At about 10:23 p.m., Boulder Fire-Rescue reported the fire was extinguished. Investigators are still working to determine where the fire started and what caused it. Read more at: https://www.9news.com/article/news/local/pearl-street-mall-fire/73-114cb0ec-5892-45ef-b557-1aee77037cc1 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 X: 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.