Opposition supporters clashed with security forces in Togo's capital during protests boycotting the polls because of alleged irregularities in its organisation.
As France braces for another wave of potentially violent "yellow vest" protests over the weekend, the US-based Committee to Protect Journalists (CPJ) issued a safety advisory for journalists who want to be on the field in France and Belgium.
Police unions and local authorities held emergency meetings on Thursday to strategise — while disparate groups of protesters were sharing plans on social networks and chat groups.
Latest demonstrations against fuel prices were staged in several regions across France igniting clashes with police, but their intensity appeared to be diminishing as compared to the protests held a day earlier.
More than 400 people have been arrested since the outbreak of the unrest, of whom around 100 have been freed later.
Besides the killing of a policeman, at least 12 protesters were shot dead in demonstrations across several cities on Sunday. At least two people died earlier in the protests that began on Thursday to draw attention to economic hardship.
Greek Police fire tear gas at protesters on the anniversary of the killing of 15-year-old Alexandros Grigoropoulos.
At least 51 people have been killed in political violence since August, but most deaths have occurred in clashes between protesters and police.
Protests over the past two days had been peaceful, but by Thursday night there were clashes with police throughout the night, as protesters set up barricades of rocks and burning tyres.
Clash between riot police and angry protesters marks the latest violence in nearly two months of unrest in which 58 people have died.
Fresh clashes broke out between protesters and police as demonstrations in Venezuela enter eighth week.
In recent weeks, protesters have thrown everything from excrement to petrol bombs at security forces, who have used tear gas and rubber bullets to block marches. At least 46 people have been killed in the anti-government protests.
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