Emergency services have been attending a ‘chemical incident’ near QD in Aylesbury High Street this afternoon.
The ambulance service was called at 4.11pm and a man in his 30s has been taken to Stoke Mandeville Hospital.
Four police cars and two ambulances were seen around the store shortly before 4.30pm.
Herald reporter Damien Lucas, who was at the scene, tweeted that a man was being frisked by police wearing rubber gloves.
A member of staff at QD said it was nothing to do with the store and that they did not know what was going on.
Police are yet to confirm any details.