Louisville officials are investigating after an explosion was heard near a plant in the city. The incident is said to have involved hazardous chemicals.

Authorities said two workers were killed in the explosion at a factory in Louisville, Ky. Eleven more people were injured. New images showed the moment the factory exploded. NBC News' Shaquille Brewster reports.

Neighbors on Payne Street are keeping the receipts as evidence for damage claims. LOUISVILLE, Ky. — Payne Street residents continued collecting the pieces of destruction on Wednesday after an explosion at the Givaudan plant Tuesday afternoon. Broken pieces of window glass are collected together in bins. Those windows were boarded up with plywood.