By Daily Mail Reporter and Ap A Pittsburgh police officer was put on desk duty after video surfaced showing him punching a woman at the city's gay pride parade and festival on Sunday. The officer, Souroth Chatterji, will remain on restricted duty for a month during an internal investigation, Mayor Bill Peduto said Monday. Chatterji said in a criminal complaint that he was trying to break up a fight when he grabbed the woman by the head and punched her in the side so he could handcuff her. Scroll down for video Rough: Officer Souroth Chatterji is seen grabbing the woman by the head and punching her
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Pittsburgh Police Officer Souroth Chatterji says he was trying to break up a fight between the woman and a man opposing the LGBT parade
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Chatterji says the woman, 22-year-old Ariel Lawther, punched him and kicked him in the groin
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Video of the incident shows Chatterji swinging Lawther around and punching her in the ribs
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LGBT groups have called for Chatterji's termination
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The mayor says the incident will be investigated as Chatterji is put on desk duty
Charged: @placeholder has been charged with aggravated assault, resisting arrest, simple assault and disorderly conduct
@placeholder told police she didn't need medical help and the man she allegedly punched didn't wish to press charges, the complaint said.