ATLANTA - The lead singer of Atlanta-based band Silly Goose was arrested late Saturday night following an impromptu performance after the Lollapalooza music festival in Chicago.

What we know:

Jackson Foster, the band’s frontman, was taken into custody after the group staged a pop-up show in the parking lot of a gas station near the festival grounds.

According to the band, they had received permission from the gas station owner to perform in exchange for $100. However, police were called after the crowd grew larger than expected, and the gas station manager reportedly became concerned about the situation.

Click here for video of arrest on Instagram.

Foster was arrested at the scene. The singer says he was charged with criminal trespassing and has to return to Chicago in early Se

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