A massive fire broke out at a building under construction in Denver late on Friday night, prompting a large emergency response. More than 100 firefighters were rushed to the site as towering flames and thick plumes of smoke lit up the night sky, visible from several parts of the city. [Denver fire, massive blaze] #TNWorldWatch | TIMES NOW

#BreakingNews: Another view of the fire that erupted on 10th Street in downtown Arcata, California, on Friday afternoon. This video, from Tony Hicks, shows heavy smoke and flames coming out of the building. UPDATES: https://bit.ly/44W60kF #fire #arcata #northcoast #kaef #breakingnews #localnews #firefighters | KRCR News Channel 7

Videos verified by CNN show the initial moments of the deadly fire at Le Constellation bar in Crans-Montana, Switzerland. About 40 people were killed and more than 100 people were injured in the blaze on New Year's Day. Follow live updates here: https://cnn.it/4qaMidK | CNN