The sanctions, which Van Hollen described as "serious penalties", could fall on such people as police cracking down on protesters or Chinese Communist Party officials "responsible for imposing a "national security" law on Hong Kong", according to the statement.
It has been rocked over the past year by huge rallies that exposed deep divisions between democracy-minded Hong Kongers and the Communist Party-ruled central government in Beijing.
The US-China standoff escalated in March after Beijing said it would expel several journalists from three US publications and bar them from working in Hong Kong after Washington labeled Chinese state news outlets in the US as foreign agents. Ongoing protests originally sparked by a now-suspended extradition bill with Beijing had faded in recent months as a coronavirus pandemic kept people indoors.
But pro-democracy lawmakers in Hong Kong were furious.
He was speaking at a late night briefing on the eve of the start of China's annual parliamentary session. "They shouldn't lose their sense of dignity and decency and moderation", Patten said in an online interview organized by The Foreign Correspondents' Club in Hong Kong.
"We can no longer allow acts like desecrating national flags or defacing of the national emblem in Hong Kong", a source told the Morning Post's website.
Hong Kong has its own lawmaking body, but at least two Hong Kong deputies to the NPC have openly said they would propose the idea of introducing the national security law without going through city's legislature.
Millions hit the streets a year ago for seven months of pro-democracy rallies that often spun out into clashes between police and petrol bomb wielding protesters.
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Residents are advised to obey all road closure signs and to stay clear of standing water, flooded areas, and floating debris. In the statement released by her office, she urged residents to go to their relatives, who live in other parts of the state.
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The scenario is scary because Indian states are still registering large number of COVID19 positive cases every day. With 30,706 confirmed cases, Maharashtra remains the worst-affected by the infection in the country.
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The president added: "People should be going to jail for this stuff and hopefully, a lot of people are going to have to pay". He said: "I don't think now's the time for me to do that". "Hope you had fun investigating me", Trump posted on Instagram.
The issue has been introduced on the NPC agenda, under the title of Establishing and Improving the Legal System and Enforcement Mechanism of Hong Kong.
Protesters have been calling on social media for city-wide demonstrations on that day.
A riot police officer gestures as anti-government demonstrators take part in a protest in Sheung Shui shopping mall, in Hong Kong, China, on December 28, 2019.
As the battle flared in the legislative chamber Monday, 15 pro-democracy figures, including media tycoon Jimmy Lai, were in court to face charges for organizing and taking part in massive and often violent anti-government protests that engulfed the semi-autonomous city the last half of 2019.
The Hong Kong dollar weakened on the news. "A broad-brush interpretation of this law would signal the end of Hong Kong as we know it".
Pro-democracy activists fear it will be used to muzzle protests in defiance of the freedoms enshrined in the Basic Law.
U.S. Secretary of State Mike Pompeo said on May 6 he was delaying a report assessing whether Hong Kong was sufficiently autonomous to warrant Washington's special economic treatment that has helped it remain a world financial centre. "Carrie Lam will have to live with her conscience", he said.
An editorial in the state-run China Daily said the law meant that "those who challenge national security will necessarily be held accountable for their behaviour". "This is the end of Hong Kong".