The incident happened Monday, Oct. 30 in Riverside, according to Suffolk County Police.
Detectives said Ligia Lopez-Menendez, age 37, went to a friend’s home and pushed the woman’s child before striking the woman in the head with a hammer.
The victim was taken to a hospital and treated for non-life-threatening injuries. Her child was not injured.
At the time, the victim had an order of protection against Lopez-Menendez.
Police did not speculate on what may have led up to the attack.
Lopez-Menendez is described as 5-foot-4 and 160 pounds with long brown hair. She has ties to Flanders, Riverside, and Hampton Bays.
Suffolk County Crime Stoppers is offering a cash reward for information leading to an arrest.
Tips can be submitted through the organization’s website or by calling 1-800-220-TIPS. All calls are confidential.
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