Pittsburgh Bureau of Police officers responded to a domestic violence report on the 2700 block of Amman Street around 10 p.m.
Responding officers from Zone 6 observed a 34-year-old male outside the residence and detained him.
Per the initial investigation, the male got into a physical altercation with people at the residence, including family members. During the altercation, he swung a bat at an adult but missed and struck a child in the arm instead.
The child had redness and swelling and was treated at a local hospital.
Police arrested Jamal Michael Hardy on charges of aggravated assault, criminal mischief, possessing an instrument of crime, endangering the welfare of a child and disorderly conduct.
The investigation is ongoing.