No casualties had been reported, it said.
Smoke and flames engulfed the entire eastern side of the building, CCTV said, with rescuers concerned that the blaze could spread to the rest of the block.
Firefighters were battling the flames. CCTV footage showed the blaze first broke out on the 17th floor when insulation materials caught fire, the broadcaster said.
(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)
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