A large fire broke out in the early hours of Thursday at a French factory in the northern port city of Rouen city, local authorities said.
Authorities added there were no reported victims at this stage, reports Reuters.
The fire at the factory of Lubrizol - a company that makes specialty chemicals - had started around 0240 local time (0040 GMT).
Around 130 firefighters were currently tackling the blaze at the site, and a security cordon had been put in place.