Hong Kong protesters begin night vigil as extradition anger mounts

Tensions rose in Hong Kong late Tuesday as hundreds of protesters began a nighttime vigil outside the city's parliament, just hours before lawmakers debate a divisive plan to allow extraditions to China.

The sudden appearance of around 2,000 predominantly young protesters after 11:00 pm (1500 GMT), some carrying tents and supplies, was met by a marked increase in police reinforcements, many of them equipped with riot gear.

The financial hub was rocked over the weekend by the largest protest march since the city's 1997 return to China, as vast crowds called on authorities to scrap the Beijing-backed plan.

Many are fearful the proposed law will tangle people in the mainland's opaque courts and hammer Hong Kong's reputation as an international business hub.

Organisers of the march said more than a million people took to the streets on Sunday.

But the record crowds have failed to sway chief executive Carrie Lam who has rejected calls to withdraw or delay the bill and warned opponents against committing "radical acts".

On Wednesday morning lawmakers will begin debating the bill in the city's legislature, which is dominated by Beijing loyalists. A final vote is expected on June 20.

Protest groups had called for a rally on Wednesday as legislators debate but many arrived hours earlier saying they planned to spend the night in a park next to the complex.

"I want to do something before our freedoms are taken away," Yu Wing-sum, 23, told AFP.

It was not clear whether police would allow the protest to continue. At the end of Sunday's peaceful march officers fought running battles with small groups of hardline protesters who had made similar plans to spend the night.

Throughout Tuesday evening police flooded the area around the government offices, stopping and searching many young people. By midnight there had been no attempt to move the crowds on.

The extradition proposals have united a wide cross-section of society against the government.

Business owners have taken to social media using a hashtag that translates as "#612strike" -- the date of the proposed action -- to announce solidarity closures.

A large chunk are mom-and-pop style stores and small businesses that are an important part of the city's economy, but which often eschew the city's raucous street politics.

More than 100 businesses had declared plans to strike, ranging from coffee shops and restaurants to camera stores, toy shops, nail salons, yoga studios and even an adult entertainment store.

"Hong Kong was built by our various generations with hard work," wrote Meet Yoga studio on its Instagram account. "A Hong Kong without freedom -- how about we just wipe it off the map entirely and call it China?"