This week, the team behind Riot Fest made a major announcement involving their upcoming summer tour event. After announcing their impressive line up for th event last week, organizers of the Chicago based music festival revealed that they will be adding two new cities to their lineup. Riot Fest all actually be taking place in Toronto on August 24th-25th and in Denver on September 21st-22nd in addition to the September 13th-15th event in Chicago. The original Riot Fest in Chicago will have performances from some of the biggest names in rock music including Fall Out Boy and Blink 182. However, the line ups for the two new additional festival events has yet to be released. Plans to unveil the official line up have been announced however and concert-goers can expect to see the official line up later on this summer. Tickets will also go on sale later in the summer. Tickets for the original Chicago based festival are on sale now.