Emergency services have flooded a Sheffield estate this evening amid unconfirmed reports of a stabbing.
Several police cars, two ambulance vehicles and the Yorkshire Air Ambulance were called out to Lowedges at about 8pm.
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Officers have sealed off Chesterfield Road South at the junction with Lowedges Road.
The Yorkshire Air Ambulance also landed in nearby Greenhill Park.
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People who live locally have claimed that a teenage male may have been stabbed but this has not yet been confirmed by police.
An eyewitness said: "There are loads of police and ambulances here.
"I have heard that a teenage male has been stabbed and taken away in the air ambulance.
"It's shocking, you don't expect to see this on your doorstep."
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South Yorkshire Police and Yorkshire Ambulance Service has been contacted for comment and we are awaiting a reply.