EDISON, NJ - It has been a deadly week in Middlesex County with two deaths by drowning under the ice and two by fire.

Middlesex County Acting Prosecutor Christopher L.C. Kuberiet and Chief Thomas Bryan of the Edison Police Department announced today that a 56-year-old woman and her granddaughter have been identified as the victims who perished Wednesday in an Edison fire.

Kathleen O’Callahan, 56, and her 6-year-old granddaughter, both of Edison, have been identified by the Middlesex County Regional Medical Examiner’s Office as the victims who were discovered shortly after the fire which occurred at Jill Court at approximately 2:21 p.m. on January 22. The family dog also died in the fire.

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O’Callahan was pronounced dead at the scene. The child was taken to Robert Wood Johnson Hospital, but died shortly after due to her injuries.

The investigation into the fire is ongoing and anyone with information is asked to call Detective Frank Varga of the Edison Police Department at 732-248-7400 or Detective Sean Sullivan of the Middlesex County Prosecutor’s Office at 732-745-4060.