AMESBURY (CBS) – A 65-year-old woman stabbed at an Amesbury on Saturday died. Authorities charged 27-year-old John Brittan with killing his mother, Barbara Diehl-Peirce.

The Essex District Attorney’s office said Brittan also stabbed his step-father, who is now at a New Hampshire hospital recovering from his injuries.

READ MORE: 11-Year-Old Girl Struck By School Bus, Seriously Injured In Braintree

The incident occurred on Chester Street just after 4 p.m. Saturday.

READ MORE: Group Raising Money To Send Boy With Leukemia To Disney World

The scene of a murder in Amesbury. (WBZ-TV)

The community is shocked by the violence.

“Individuals that are on the edge and something triggers them, you know, now you’ve got mother murdered, father in the hospital, it’s very sad,” said Brian Roy.

MORE NEWS: Newton To Keep School Mask Mandate In Effect After October 1

Brittan is expected to be arraigned Monday in Newbury District Court on charges of murder, assault & battery on a person over 60, and assault with intent to murder.