Fiery clashes erupted across the city, with security chief John Lee cautioning "unthinkable" consequences if the violence continued.
Authorities have shut down schools, rail links and several businesses in the Asian financial hub as a safety precaution.
On Tuesday night, hundreds of black-clad protesters tried to block riot police from entering the Chinese University of Hong Kong (CUHK) near Tai Po by hurling bricks and petrol bombs.
Trump cancels US strikes on Iran, citing progress in talks
US President Donald Trump called off plans for renewed military strikes on Iran at the last minute on Thursday, saying negotiations with Tehran had advanced to the highest levels of Iran's leadership and had been approved by a broad coalition of regional powers.
US confirms third strike on Indian-crewed tankers this week
A US jet fired two missiles into the engine room of the tanker Jalveer off Oman on Thursday, US Central Command confirmed, as authorities said the 20 crew members were safe after the third strike on Indian-crewed tankers this week.
UK defence minister Healey quits, says PM Starmer's plans fail to keep country safe
British defence minister John Healey quit on Thursday in a dispute over military spending, accusing Prime Minister Keir Starmer of failing to commit the government resources that are needed to defend the country at a time of heightened threat.
Trump says US will hit Iran 'very hard', take control of energy infrastructure
The United States will hit Iran "very hard tonight" and will soon take control of the Middle Eastern country's oil and gas infrastructure and markets, US President Donald Trump said on Thursday.
US and Iran trade attacks for a second day, undermining shaky ceasefire
The US and Iran have traded air attacks on Thursday for a second straight day, with President Donald Trump vowing further strikes if Tehran does not immediately agree to a peace deal.
A Dubai court has sentenced a driver to three months in prison and suspended his driving licence for one year after a dangerous road rage incident.
The UAE has launched a humanitarian initiative called 'Step of Hope' to provide prosthetic limbs for Palestinians who have suffered amputations during the ongoing conflict in the Gaza Strip.
The UAE has provided urgent relief aid to those affected by the recent flooding of Syria's Euphrates River under the directives of President His Highness Sheikh Mohamed bin Zayed Al Nahyan.
