At least 11 employees were taken to hospitals after an explosion on Tuesday at a Louisville, Kentucky, business that produces natural color for foods and drinks. (AP video by Dylan Lovan)

At least 11 employees were taken to hospitals after an explosion at a Louisville, Kentucky, business that produces natural color for foods and drinks.

Residents across Louisville reported around 3 p.m. feeling the explosion, which occurred at Givaudan Sense Colour at 1901 Payne St.

Kentucky officials issued a shelter-in-place order after an explosion was heard at a Louisville plant in the city's Clifton neighborhood. (Source: WDRB)

An explosion in Louisville, Kentucky, injured several people on Tuesday at the Givaudan Sense Colour plant, a company that produces coloring for soft drinks. CBS News national correspondent Dave Malkoff reports.