Two men have died after a crash between a car and a motorbike in Oldham.
The victims, aged 20 and 21, were travelling on the off-road Suzuki motorbike when the fatal crash took place at around 11am today.
They suffered critical injuries and died at the scene, the Manchester Evening News reports.
The driver of the Ford 4x4 stopped at the scene and assisted police with their enquiries.
The victims' families have been informed and are being supported by specialist officers.
No arrests have been made and anyone who witnessed the collision or who may have been driving through the area and has dash-cam footage is urged to police.
The smash prompted a major emergency service response including an air ambulance, road ambulance, and multiple police cars.
Crews from Greater Manchester Fire Service also attended the scene.
Police remained at the scene on High Barn Street until around 2pm this afternoon.
Earlier today several officers could be seen working in a small area shielded by fire service screens and emergency vehicles.
One women told the M.E.N: "I saw it on Facebook seconds after it'd happened. A woman said there'd been a crash and the helicopter was coming so there were lots of people looking out for it."
Another said: "I just walked past about an hour ago and saw the crash. It looks quite bad, I feel so sorry for everyone involved."
Sergeant Phil Shaw, of our Serious Collision Investigation Unit, said: "My thoughts go out to the families of the two young men who have tragically lost their lives today after this awful incident.
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"We are doing what we can to understand how this collision came to be to ensure that the families of both victims are given the answers they need, and our specialist officers are offering them support at this devastating time.
"If you were in the area shortly before 11am and have dash-cam footage, or may have seen the vehicles involved in this collision, then I urge you to contact us so we can piece together as much information we can to establish the circumstances of this morning's events."
A spokesperson for Greater Manchester Fire and Rescue Service (GMFRS) said: "At 11:00am this morning (Friday 15 April) we received a report of a road traffic collision involving a motorcycle and a car on High Barn Street, Royton.
"One fire engine from Chadderton attended the scene, where firefighters have been working alongside colleagues from Greater Manchester Police and North West Ambulance Service."