Michael Tienken, of Wilton, in Fairfield County, turned himself into police on Friday, June 26, and was charged with third-degree assault, said Wilton Police Lt. Robert Kluk.
According to Kluk, on Tuesday, May 19, Tienken, and a third-person at the gathering got into an argument while playing a drinking game.
The victim attempted to separate Tienken from the person being attacked and was allegedly struck in the head twice by Tienken with a metal garbage can.
The victim sustained non-life-threatening injuries requiring medical treatment at the hospital.
Tienken was released on a promise to appear ticket and is scheduled to appear in court on Thursday, Aug. 6.
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