Fire engulfs office tower in China's Changsha city (+VIDEO)

Dozens of storeys of the more than 200m-tall China Telecom building "burned with great intensity", sending thick smoke into the sky, state broadcaster CCTV said.

The fire has been put out, and no casualties have been found, according to Hunan's fire department. 

It added that 36 fire trucks and 280 firefighters were deployed to the scene.