A video of the man was taken from behind while he was sitting on a great worry, said the mayor

"Like you, when I saw the video, I was upset and it worries me a lot," Mayor Danene Sorace said Friday in a video posted on his Facebook page. . "We take the use of force very seriously.There is an investigation that has already begun."

On Thursday, the Lancaster police responded to a 911 call saying that a man was party after four people with a bat, according to authorities.

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According to the police report, Officer Shannon Mazzante responded to the call and met with a group of three individuals' saying to a man to move away from them ". Police said that Mazzante told the man to sit "several times" but he did not listen.

The man, who was identified as Sean Williams, would not leave a woman in the group alone and "repeated that he wanted an article, his social security card, of her", said the police.

Shortly after, officer Philip Bernot arrived at the scene and warned Williams that a Taser would be used if he did not listen to it, police said. In a video taken by an eyewitness, Mazzante and Bernot can be heard telling Williams to sit on the sidewalk.

"Straight legs where you will be tasted. Bernot says:

"Put your legs straight and cross them now!" Mazzante added.

Bernot then deployed the Taser and took Williams into custody. Officers said Williams had "failed to follow the instructions," according to the report.

"Williams was ordered to keep his legs straight in front of him and cross his ankles, as a control measure to ensure that if someone wants to flee or offer physical resistance, he will have to move his legs to do it. Non-compliance is often the harbinger of someone who is preparing to flee or fight with officers, "the report says. ] Juan Almestica, the viewer who took the video, told ABC News on Friday that he had gone out after hearing a commotion

"One of the officers told him to put his legs straight and another tells him to cross his legs … Then they tasted him … I have no police training but I could have handled this situation myself better ", Almestica said.

Bystanders told Williams police "had shown erratic behavior growing over the past few days."

They did not lie The police said that Williams, who was accused of a criminal warrant for controlled possession of substance and public intoxication, has been verified and authorized by EMS "as it is the protocol with each use of an ECD (electronic control device)." Sorace a said his team was already in contact with civil rights groups to address their concerns

Blanding Watson, president of the Lancaster NAACP, told Lancaster Online. that the incident "requires a full investigation."

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