According to multiple photos and videos circulating on Chinese social media, the fire seems to have originated on the main cargo deck and has burned through the upper fuselage.
There is currently not much information available about this incident, but the aircraft is believed to be ET-ARH, A 5-year old Boeing 777 Freighter. It arrived from Brussels Airport yesterday at 11:51 (GMT+8) and was scheduled for São Paulo GRU.
The next video shows that the Airport fire department are on the scene and are bringing the fire under control.
Feature Image by @FATIIIAviation