Fire crews are currently at the scene of a fire in Milton Keynes where acetylene cylinders caught alight.
Bucks Fire and Rescue Service were called to Chesney Wold, Bleak Hall, at 1.10pm this afternoon.
Crews from Newport Pagnell, Bletchley, Broughton and Great Holm remain on site to control the cooling of the cylinders, which were at risk of exploding.
A 200-metre cordon was put in place by police and businesses of the industrial estate evacuated while firefighters dealt with the cylinders.
Firefighters used a ground monitor and two sets of breathing apparatus.
Attendance started to be scaled down at about 2.15pm and the cordon was scaled down to 50 metres.
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