PHILADELPHIA (CBS) — It was a frightening moment during a thrill show performance in Center City Sunday night as three Philadelphia police officers are injured trying to wow crowds.

About 5:45 p.m., EMS services responded to a call to 12th and Market Streets just outside of the Philadelphia Convention Center.

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Officials tell CBS Philly that three officers were doing a motorcycle stunt and during the stunt they collided tangling the bikes injuring all three officers.

The highway patrol “drill team” were performing at the 124th International Associations of Chiefs of Police’s Convention, a convention that is hosting police enforcement from around the world.

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Two of the three officers were taken to Hahnemann Hospital by district officers on the scene, and the third was taken to Hahnemann by way of medics, according to police.

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Authorities say all three officers are listed in stable condition and two officers were released just after 8pm Sunday evening.

The third officer is expected to be released sometime Sunday night.

The identities of the officers involved have not been released.

The I.A.C.P. convention is a gathering that includes 15,000 officers from 150 countries sharing ideas, procedures and policies.

SEPTA Transit Police Chief Thomas J. Nestel III said on Twitter following the crash, “Our thoughts and prayers for the @PhillyPolice Highway Patrol Officer injured on Market Street.”