India, March 25 -- A 76-year-old woman was attacked and killed by over 50 dogs of her daughter in Colorado City town of US' Arizona, an incident which took place in February this year but seeing an arrest only recently.

Jessica Hoff, 47, was arrested on Friday in connection with the February incident, according to news agency Associated Press.

Jessica Hoff left her 76-year-old mother LaVonne Hoff, who had dementia, home alone in Colaroda City with the dogs on February 3 while she did errands, the report said.

LaVonne Hoff required 24-hour care, according to the Pueblo County sheriff's office, quoted in the report.

Later that day, deputies found LaVonne Hoff unconscious and several dogs running loose along with about two dozen other do...