Fire, heavy smoke damages supermarket in Chinatown

CHICAGO (CBS)-- A supermarket was heavily damaged in a fire in Chicago's Chinatown Wednesday morning. 

The fire broke out at Park to Shop Supermarket at Archer and Wentworth avenues. The store is next to a Chicago Public Library branch. 

The Chicago Fire Department said heavy equipment was needed to open the concrete walls.

The cause of the fire was unknown as of Wednesday morning.

This is a developing story.