The Paris prosecutor's office also said it has seized an inspection report of the regional management of the environment "mentioning the commission of several offenses by the company Normandie Logistique".

Investigations into the fire of the plant Lubrizol of Rouen, which occurred nearly a month ago, have not "determined, to date, the precise location of the departure" fire, said Thursday the parquet of Paris in a statement.

"Many technical reviews, hearings, findings and transport on the scene have already been made," said the prosecutor's office, which also said it has received an inspection report from the regional direction of the environment " mentioning the commission of several offenses by the company Normandie Logistique ".