BOSTON: A suspect was arrested on Monday in the weekend killings of a Boston-area husband and wife celebrating their 50th wedding anniversary and the woman's 97-year-old mother, authorities said.

Middlesex District Attorney Marian Ryan said police took Christopher Ferguson into custody and charged him with killing 73-year-old Gilda 'Jill' D'Amore after an autopsy revealed her death was a homicide. Ferguson also was charged with two counts of assault and battery with a dangerous weapon causing serious bodily injury, and burglary.