Eleven people were taken to the hospital after an explosion at a plant in Louisville, Kentucky. One person had to be rescued from inside the building. It happened around 3 p.m. Tuesday, when officials said an unknown explosion happened at Givaudan Sense Colour,

A Kentucky plant exploded Tuesday afternoon — sending a massive boom across the area and injuring at least 11 workers inside, according to officials. The blast happened around 3 p.m., collapsing part Givaudan Sense Colour,

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.