Nearly 100 people were arrested by Hong Kong police on Sunday as riot officers swooped on democracy protesters opposed to the postponement of local elections.
One man has died in protests in Belarus as demonstrators clashed with police for a second night after a disputed election handed a sixth term to strongman Alexander Lukashenko.
It was the third parliamentary brawl in a fortnight, with one legislator caught on camera punching an opposition party member.
The protests follow a devastating crash in the national currency, the Lebanese pound.
Police emerged from the nearby Mong Kok police station to clear the roads but confrontations continued for hours.
Security forces used tear gas and water cannon to stop the protesters near the parliament building in downtown Beirut
The latest violence comes after three demonstrators were killed in clashes on Monday.
Violence erupted at a rally calling for greater democratic freedoms.
Police fired tear gas and wielded batons.
Police clashed with protesters in Hong Kong as pro-democracy supporters took to the streets for the 24th consecutive weekend
Violent clashes between security forces and demonstrators broke out again in the early hours of Wednesday morning in Bolivia's capital.
Sporadic and intense demonstrations have gripped Bolivia following a disputed 20 October election.
Chile's President Sebastián Piñera has declared a state of emergency inthe capital Santiago as protests against a rise in the cost of public transport have escalated.
Tens of thousands of people joined anti-government demonstrations as China marked 70 years of Communist rule.
Indonesian police fired tear gas and water cannons in Jakarta to disperse thousands of rock-throwing students protesting a new law that they say has crippled Indonesia's anti-corruption agency
Clashes in Haiti continued on Monday hours after a senator fired a pistol during a confrontation with opposition protesters