A SCHOOLBOY has been stabbed outside a McDonald's.
Cops swarmed Birmingham City Centre as the horror unfolded yesterday afternoon.
The boy, 13, was raced to hospital, where he remains with serious injuries.
The horror unfolded at rush hour when the area was overflowing with people.
West Midlands Police said in a statement: "We were called after a teenage boy was stabbed in Stephenson Place in the city centre, shortly after 4.30pm today.
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"The 13-year-old boy has been taken to hospital with potentially life-changing injuries.
"We will have more officers in the area tonight to offer reassurance to the public.
"People with information should contact us via Live Chat on our website or by calling 101 quoting log number 2795 of 18 January."
A witness told Birmingham Live last night: "There's a large police presence and Grand Central ramp sealed off by police, blue tape and blue lights everywhere."
West Midlands Ambulance Service said in a statement: "We were called at 4.41pm to an incident on Stephenson Place, Birmingham, along with police colleagues.
"An ambulance, paramedic officer, a MERIT trauma doctor and critical care paramedic responded to the scene."
Wintess, David Eden-Sangwell, told Birmingham Live: "I saw people looking up the ramp at some sort of commotion, but I couldn’t see anything going on when I looked.
"About 10 [minutes] later I saw the first police car arrive, driving up the tramway past New Street station pulling up between the ramp and Apple Store.
"That was followed by a police van and another police car coming down the hill towards the ramp.
"I saw the police coming away from McDonald's, having set up the police tape at either end of the ramp, clearing the public under the tape at the bottom.
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"When the ambulance arrived a minute or two later they went straight into the McDonald's followed by a response doctor."