Earth Wind and Fire concert turns into a riot scene

started as a small fight. But small fight at Earth, Wind and Fire concert scene turned into a extremely violent scene. The violence reached to such an extent that it will put even the most uncivilized person to shame. Though nobody is not sure who and what sparked of the fight, but the police is saying that the crowd of 400 people start throwing the bottles, damaging the parked cars and setting fire to the things around.
The incident happened in the city of Fort Collins, Colo and it is about 65 miles north of Denver. The shopkeepers around the place of concert have said that they need to spend thousands of dollars in order to repair the damage done to their shops.
The hospitals around the area have mentioned that around 13 people have come to them to get treated for various cuts and wounds arising out of the trouble.