Shafaq News/ The General Consulate of the UAE in Hong Kong issued a warning to its citizens there by taking caution and not wearing white and black.

The consulate posted a statement on its Twitter, calling on UAE citizens not to be near government buildings, especially during weekends, and following up on news and instructions from local authorities.

Hong Kong witnessed a night of violence on Sunday, with dozens of masked men dressed in white and suspected belonging to gangs attacked the rallies of pro-democracy protesters and passers-by in Hong Kong's Yuen Long .

Hundreds of people demonstrated on Friday, most of them wearing black, at the Hong Kong airport terminal, chanting "Hong Kong Free!"

Hong Kong has been the scene of mass protests over a bill allowing the local government to hand over wanted suspects to central authorities in Beijing.