Four cars were involved in a road traffic collision on A472 at around 12.35pm on Thursday 23 September.
Officers attended a report of road traffic collision on the A472 in Hafodyrynys at around 12.35pm on Thursday 23 September.
The collision involved four cars – a white Nissan Juke, a grey Peugeot 508, a silver Vauxhall Insignia and a Ford Focus which is also a marked police car.
The passenger of the Peugeot, a 75-year-old woman from the Llanfoist area, was pronounced dead at the scene by paramedics. Her next of kin have been notified and are receiving support from specialist officers.
A 77-year-old man from the Llanfoist area, who was driving the Peugeot, is receiving treatment at the University Hospital of Wales in Cardiff after sustaining injuries to his arm and leg. His condition is stable.
Two Gwent Police officers – a police constable and a community support officer – were travelling in the police car. Both were taken to the University Hospital of Wales for treatment.
The police constable has been discharged but the community support officer remains in hospital after sustaining life-changing injuries.
Two passengers travelling in the Nissan Juke, a 27-year-old woman and a two-year-old girl from the Blaina area, attended the Grange University Hospital in Cwmbran as a precaution for minor injuries.
A passenger in the Vauxhall, a 54-year-old woman from the Markham area, received treatment at the scene from paramedics.
Sergeant James Bailey, the senior investigating officer, said:
“Enquiries are ongoing, and we would ask that anyone who may have witnessed this collision and has not yet spoken to the police to contact us.
“We would also ask anyone with CCTV or dashcam footage to get in touch.
“Anyone with information can call 101, quoting log reference 2100335602, or you can send us a direct message on Facebook or Twitter. You can also call Crimestoppers anonymously on 0800 555 111.
“We can confirm that the police car involved in the collision was not attending an emergency call at the time.
“This incident has been referred to the Independent Office for Police Conduct (IOPC) in line with normal procedure.”
Personnel from the South Wales Fire and Rescue Service, Wales Air Ambulance and Welsh Ambulance Service attended the collision, and the road has now re-opened.