According to local outlet WLKY, the explosion happened at the Givaudan Sense Colour plant, which specializes in food coloring and is located in the city's Clifton neighborhood. Speaking to reporters, Mayor Craig Greenberg advised residents to avoid the area.

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.m. local time.

An explosion at a food-coloring factory in Louisville, Ky., hospitalized at least 11, including two in critical condition, on Tuesday afternoon.