A massive explosion at a food dye factory in Louisville, Kentucky on Tuesday left two people dead and a dozen others injured, as smoke billowed out of torn metal structures and rubble.

Two dead - one taken to hospital, the other found hours later dead in the rubble.Still no explosion cause.Air quality: No hazards found.All evacuations, shelter-in-places lifted.Sign up for our NewslettersTwo people have died following a large explosion in Louisville.

LOUISVILLE, Ky. — Two people are dead and at least ten people are injured after an explosion at a factory in Louisville's Clifton neighborhood. The incident was reported at the Givaudan Sense Colour manufacturing plant in the 1900 block of Payne Street around 3 p.m. Tuesday. The plant is known for producing caramel color in soft drinks.