The Jonas Brothers' Saturday, September 20, concert in Oregon was quite literally burning up. Kevin Jonas, Joe Jonas and Nick Jonas brought their 20th anniversary tour to Portland's Moda Center on Saturday, where fans noticed an unexpected blaze on the stage. In footage shared via social media, a small fire broke out on an upper platform of the stage. None of the musicians were nearby at the time, and the sparks were quickly extinguished before the show resumed.