Over 100 people were illegally riding bicycles, dirt bikes, and motorized scooters through the streets of Boston on Saturday afternoon, according to Massachusetts State Police.

Police say they received reports of the group riding recklessly shortly after 2 p.m. The bikers originally rode into the O'Neil Tunnel on Interstate 993 heading south on the Zakim Bridge. They then left the highway at Government Center, but later returned to I-93, according to officials.

Video from the highway shows bikers doing wheelies and other tricks as they ride towards the exit.

At one point, the bikers exited the tunnel in the Seaport. Police say that a dirt bike then crashed into a police cruiser in the intersection of D Street and Summer Street. The rider then abandoned the bike and ran away, according t

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