(CNN) Four police officers in Coral Springs, Florida, are on administrative leave as the department investigates bystander video that shows one officer apparently kicking a handcuffed suspect.

In the cellphone video, obtained by CNN affiliates WSVN and WPLG in Miami, three law enforcement officers struggle with the suspect in the street before they walk him over and sit him on a curb.

A bystander who recorded the video Tuesday night told WSVN another officer kicked the suspect in the head while the man was sitting on the ground. The man was in handcuffs and was cooperating, he said.

"I could not believe that this was actually happening right in front of me," the bystander told the Miami TV station.

In the video, an officer kicks at the suspect.

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