A "hazardous materials incident" was reported Tuesday afternoon at the address of a Givaudan Sense Colour facility, according to the Louisville Metro Emergency Services.

At least 11 people were reportedly injured, and homes and businesses were damaged by the blast at the Louisville plant, which produces coloring for food and drink.

At least 11 people have been taken to hospital following an explosion at a chemical manufacturing plant in Louisville, Kentucky. Residents across the city reported hearing a large boom, with lights flickering and buildings shaking from the impact of the blast on Tuesday afternoon at around 3 p.