The incident occurred around 7:30 a.m. at a residence on Forest Street, according to New Canaan Police.
Arriving officers observed the man, Asael Davila, on the porch outside the residence.
A subsequent investigation determined he punched the victim in the face during an argument, police said.
Davila was charged with third-degree assault, disorderly conduct and criminal mischief.
He is being held on $10,000 bond pending a court appearance on Tuesday.
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