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.
More top news
Campaigners have called for more cycling infrastructure to be installed across the Midlands following the death of a woman in Birmingham.
Paul Gunter launched the campaign after discovering that there was no current war memorial for his nephew.
Witnesses who saw the incident said that the man threw the dog in the air a number of times and let her drop to the floor.