(CNN) At least 53 people are dead and dozens injured after a fire at a shopping center in the Siberian city of Kemerovo on Sunday, a spokesman for the firefighting agency told Russian state media.

State news agency Tass reported a fire at the Zimnyaya Vishnya -- also known as Winter Cherry -- shopping mall in central Kemerovo broke out on the top floor of a four-story building, in the center's cinema hall.

The death toll rose on Monday morning after 16 more bodies were found in the cinema area. In total, the fire consumed an area of approximately 1,600 square meters, injuring 47 people.

Earlier, fire authorities said 40 children were unaccounted for following the fire. It's not known how many children have now been found, or are among the dead and injured.

At least 37 have died in a fire at the Zimnyaya Vishnya shopping mall in Kemerovo.

Video taken at the scene of the fire showed enormous clouds of thick, grey black smoke pouring out of the windows and roof of the shopping mall, which featured a cinema, bowling alley, children's center and petting zoo, according to Tass.

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