A man was charged with murder on Friday night after York police responded to a report of a woman being assaulted on Short Sands Beach.

When police arrived, they found the woman, Rhonda Pattelena, 35, dead behind a rock on the beach. Jeffrey Buchannan, 33, was taken to the York County Jail and charged with murder, according to the Maine State Police.

Pattelena’s cause of death was blunt force injury to the head, an autopsy completed Saturday morning found.

Buchannan is expected to make his first court appearance at the York County Superior Court next week.

Both Buchannan and Pattelena were from Bedford, Massachusetts. They were domestic partners and had one child together.