OAKLAND, Calif. (KRON) — Multiple sideshows took place overnight in Oakland, and a big-rig was involved in one of them.

The first sideshow occurred near Keller Avenue & Mountain Boulevard at 12:15 a.m. 30-35 vehicles were reportedly engaging in illegal sideshow activity, police said.

The second sideshow occurred at 3200 Grand Avenue at around 12:34 a.m. 10 vehicles were reportedly engaging in illegal sideshow activity, Oakland police said.

The third sideshow occurred around 1:15 a.m. at Hegenberger Road and Coliseum Way. Vehicles were seen doing donuts across all lanes as a crowd of people watched. 30 vehicles were reportedly engaging in illegal sideshow activity, police said.

Video shows a semi-truck participating in one of the sideshows by driving around in circles. The crowd then hopped on the back of the truck’s trailer.

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Oakland police told KRON4 they are working to gather more information. OPD is aware of several people who were engaged in the overnight sideshows.