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A loud explosion has been reported inside a Tesco store in Cambridge, with staff and shoppers being evacuated.
Emergency services are on their way to the supermarket following reports of chemical smoke on the premises.
Witnesses have reported hearing the noise with one saying they believe the air conditioning exploded, releasing a 'toxic gas' inside the store.
Shoppers were evacuated shortly before 11am.
It is thought that no one was under the aisle where it exploded.
The branch affected is the superstore on Newmarket Road, Cambridge.
Tesco staff have cordoned off the carpark and are not letting people drive in.
Did you see what happened? Email [email protected]
Staff are keeping shoppers away from the store
Staff have gathered outside the car park, according to Cambridgeshire Live.
There are no reports of injuries and the East of England Ambulance Service has confirmed they were not called to the scene.
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The superstore is in Newmarket Road, Cambridge
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