On August 23, at approximately 9:30 a.m., members of the Sunny Corner RCMP responded to a report of a head-on collision between two vehicles on Route 425.
Police believe an eastbound car crossed the centreline and collided head-on with a westbound car.
Two women from the Metepenagiag First Nation, aged 72 and 78, who were the occupants of the westbound vehicle, were transported to the Miramichi hospital.
The 72-year-old woman died as a result of her injuries on August 29.
The 78-year-old woman succumbed to her injuries on October 5.
A 38-year old woman from Miramichi, who was the sole occupant of the eastbound vehicle, remains in hospital.
The investigation continues.