Another person has died following a collision on the Heads of the Valleys Road, near Brynmawr which has already taken the life of a motorcyclist.
A Peugeot 106 car, travelling towards Brynmawr was involved in a collision with a Yamaha motorcycle and a Brutale motorcycle, which were travelling towards Abergavenny at around 12.35pm on Saturday on the outskirts of Clydach.
The motorcyclist was pronounced dead at the scene of the crash, near the bus stop on the Brynmawr to Gilwern stretch of the A465.
The driver of a Peugeot 106 was taken from the scene by air ambulance to the University of Wales Hospital in Cardiff where he later died.
The other motorcyclist remains in a critical condition in hospital. The car passenger suffered minor injuries.
A nearby resident, of Blackrock, said he heard a huge explosion that rocked the valley.
"A plume of smoke filled the air and I heard screaming," he said.
"I ran in the direction of the smoke and saw two nurses who happened to be using the road at the time treating an injured man close to the bus stop layby."
"There was police and paramedics everywhere and the Wales Air Ambulance landed within 45mins on such difficult terrain."
"Myself and two neighbours did everything we could to help and stayed with the families providing cups of tea.
On arrival at the scene, emergency services pronounced one of the motorcyclists dead, while the other motorcyclist and the driver of the car suffered critical injuries. The car passenger had minor injuries.
The driver of the car was taken by Air Ambulance to the University of Wales Hospital in Cardiff, while the surviving motorcyclist and the car passenger were taken to Nevill Hall Hospital in Abergavenny.
The A465 Heads of the Valley Road between the Gilwern and Brynmawr roundabouts re-opened at 11pm.
While the cause of the collision is not yet known, this is the second tragedy to shock the commuunity in recent times.
On April 29 last year Nevill Hall Hospital worker Stephanie Curtis, 35, and six-year-old daughter Ffion Elizabeth Merrifield of Nantyglo died within hours of one another after a horrific head-on crash a mile west of Gilwern when her Peugeot was in a collision with a Mercedes.
A bouquet of flowers with the message 'with deepest sympathy', a crucifix and set of candlesticks were among the tributes left at the scene on Sunday morning.
Gwent Police is appealing for anyone who witnesssed the collision to contact Gwent Police by dialling 101.
UPDATE: 20.27 POLICE are making an appeal to anyone who witnessed the collision or were in the area at the time of the collision to contact them by dialling 101.
Officers are aware of several people who were in the vicinity of the collision, which occurred at around 12:35, who haven’t as yet spoken to officers.
These people are urged to come forward as they might hold vital information in regards to cause of the collision.