Nearly 100 people were arrested by Hong Kong police on Sunday as riot officers swooped on democracy protesters opposed to the postponement of local elections.
it comes just a week after Beijing imposed a tough new law on the city that gives police sweeping powers to conduct searches without warrants and order internet service providers and platforms to remove messages.
Thousands sang and chanted as they marked the first anniversary of major clashes in Hong Kong between police and pro-democracy demonstrators.
A few hundred demonstrators held flash-mob protests during lunchtime at multiple malls in Hong Kong on Tuesday.
An estimated 300,000 Hong Kong residents were granted British Nationals (overseas) passports before the territory was handed back to China in 1997.
The Hong Kong Government condemned the demonstrators after two plainclothes police officers were set up by some protest march participants.
Violence erupted at a rally calling for greater democratic freedoms.
Thousands have taken to the streets on New Year's Day.