A man has been flown to hospital after a crash involving two cars and a pedestrian in Dewsbury town centre.
Police said emergency services were called to Union Street in the town centre at 1.33pm.
The collision was between a silver Honda, a black vehicle and the pedestrian.
One person had been trapped in a vehicle, they said.
Police, fire and ambulance crews were in attendance.
It is believed the air ambulance landed on playing fields in Savile Town.
Union Street, which leads off from Bond Street, a main road through the town, is closed while emergency services work at the scene.
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Witness Vick Nissley describes the crash in the town centre
Vick Nossley heard the aftermath of the incident and helped the victim
Separate incident involving jogger
In a separate incident, a jogger has been taken ill in Wakefield Road in Dewsbury.
Police have confirmed the ambulance service called them at 2.42pm to Wakefield Road near the former Spinners Arms pub.
It’s believed the jogger collapsed with a medical episode and was being treated at the scene by paramedics.
Several ambulances were called to the scene and police were called to direct traffic.
They were unable to confirm how serious his condition was or whether the was taken to hospital.
Air Ambulance statement
Yorkshire Air Ambulance have confirmed they landed in Grosvenor Street in Savile Town and the injured man was taken to Leeds General Infirmary
Reporter on the way
A reporter is heading to the scene of the incident in Dewsbury town centre