Firefighters spray water as black smoke comes out of chemical plant NitrolChimica.

Fire crews fight chemical blaze on Milan outskirts

At least six people were injured in a chemical fire at a plastic factory on the outskirts of the Italian city of Milan on Wednesday.

At least six people were injured in a chemical fire at a plastic factory on the outskirts of the Italian city of Milan on Wednesday.

Footage filmed by Italian firefighters showed plumes of black smoke billowing from the building in San Giuliano Milanese.