In July, Hong Kong leader Carrie Lam postponed the Sept 6 election for seats in the Asian financial hub's Legislative Council for a year because of a spike in coronavirus cases. Lam blamed a surge in coronavirus cases for the need to delay the election, but critics have claimed her government is anxious that the opposition would gain seats if voting took place as planned.
Officers arrested 289 people in the neighborhoods of Yau Ma Tei and Mong Kok, with the majority suspected of breaching unlawful assembly laws, police said.
The protests were held in the Kowloon district, including on the streets near Jordan, where hundreds of people briefly marched holding up their hands and chanting pro-democracy slogans, before they were broken up by police officers. During the lull, Beijing subsequently imposed the new national security law before the unrest could resume.More news: Novak Djokovic disqualified from the US Open
More than 30 people have been arrested by Hong Kong police as riot officers swoop in on pro-democracy protesters - opposed to the postponement of the local legislative election - with rounds of pepper balls. It put the number of arrests at 33.
Prominent pro-democracy activists with the League of Social Democrats Figo Chan, Raphael Wong and Leung Kwok-hung were arrested, according to a Facebook post by the group.
When they announced the arrest on Sunday morning, police did not explain what Tam may have said that was considered seditious. "The demonstration was also an unconventional one as people tried hard to blend in with regular shoppers in the heart of the city, and occasionally chanted slogans or make the hand sign of the opposition".
Leung said he and other protesters want to express their opposition to the government's mistakes during the past year, including the security law.More news: Australia secures onshore manufacturing agreements for two COVID-19 vaccines
Hong Kong has reported around 4,800 coronavirus cases since January, far lower than in other major cities around the world.
Thousands of people took to the streets of Hong Kong to mark the day the elections had been due to be held.
The authorities have cited coronavirus fears in their moves to restrict gatherings, which are now limited to two people, and the police have rejected applications for protests in recent months.
The number of new daily infections has fallen substantially from triple digits in July to single digits now. Police have cited such restrictions in rejecting applications for protests in recent months, effectively preventing demonstrations.More news: Coronavirus: Scuffles at anti-lockdown protest in Melbourne
Critics say that deal has been demolished by the security law and the increasingly intense crackdown on the city's democracy supporters.