As Fuse just reported, more than 80,000 concertgoers at Lollapalooza in Chicago's Grant Park have been forced to evacuate do to a severe incoming thunder storm. Fuse's Esteban Serrano was on the ground in Grant Park as the crowds started to exit and the storm started to roll in. Watch the video above for the full story, and be sure to check back to Fuse.tv for more developments in the story.  

Read Fuse's complete Lollapalooza coverage.