Residents are part of Peterborough are being told to stay indoors while a controlled explosion takes place on an unstable chemical.
Staff were evacuated from Perkins on Frank Perkins Highway at 1:30am this morning.
A 500metre has been set up around the site and roads are currently closed.
Police say The chemical does not pose a risk to nearby residents, however people are being advised to stay indoors as a precaution.
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Dry morning with plenty of sunshine. Cloud will gradually thicken into the evening but it will remain largely dry.
It will be a fine morning with sunshine but cloud will increase with patchy light rain reaching some areas throughout the day.
Police say that he has been taken to hospital but his injuries are not thought to be life-threatening.