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.
Iran ready to cooperate for Gulf maritime safety, IMO representative claims
Iran is ready to cooperate with the International Maritime Organisation to improve maritime safety and protect seafarers in the Gulf, the Iranian representative to the U.N. maritime agency claims.
Qatari helicopter crashes during 'routine duty', rescue mission ongoing
Qatar authorities are currently executing a search and rescue mission for the crew and passengers of a helicopter that crashed into "regional waters" on Sunday.
Two deaths recorded after heavy thunderstorms hit Oman
Two people were killed on Saturday as a result of heavy thunderstorms that hit several governorates of the Sultanate of Oman.
Japan could consider Hormuz minesweeping if ceasefire reached, minister says
Japan could consider deploying its military for minesweeping in the Strait of Hormuz, a vital artery for global oil supplies, if a ceasefire is reached in the U.S.-Israeli war on Iran, Foreign Minister Toshimitsu Motegi said on Sunday.
Trump threatens Iran with power plant strikes over Hormuz blockade
US President Donald Trump on Saturday threatened to "obliterate" Iran's power plants if Tehran does not fully reopen the Strait of Hormuz within 48 hours, a dramatic escalation that came barely a day after he talked about "winding down" the war.
