Hrant Khachatryan/PAN Photo/Handout via Reuters
Riot police clash with demonstrators who had gathered in a show of support for gunmen holding several hostages in a police station in Yerevan, Armenia.
Rioters throw bricks at police in the Mong Kok district of Hong Kong. Hong Kong’s Lunar New Year celebration descended into chaotic scenes as protesters and police clashed over a street market selling fish balls and other local holiday delicacies
Francis R. Malasig/EPA
Riot police officers during a protest against APEC in Manila, Philippines. Philippine security forces were on high alert in the capital as leaders from Asia and the Pacific region began to arrive for the Asia-Pacific Economic Cooperation (APEC) summit
Protesters clash with Turkish riot police during a demonstration on Tuesday in Istanbul against the deadly attacks in Ankara
A Mapuche Indian activist prepares to throw a stone at a riot police vehicle during a protest march by Mapuche Indian activists against Columbus Day in downtown Santiago, Chile.
Belgian riot police stand covered in straw sprayed from a combine harvester by European farmers during a protest blocking access to the European institutions in Brussels on Monday
Defendants on trial for the deaths in a riot following a football match in Port Said in February 2012, are seen behind bars during their trial in Cairo, Egypt. An Egyptian court on Tuesday confirmed the death sentences of 11 men for their part in the country’s worst-ever football-related violence.
A man lies on the ground as Turkish police use a water cannon to disperse protestors during a May Day rally near Taksim Square in Istanbul on Friday. Turkish police on used tear gas and water cannon to disperse protesters marking May Day in the Besiktas district of Istanbul as they tried to move towards the Taksim Square protest hub of Istanbul
Italian Police prepare to face up to demonstrators in Rome, Italy on Wednesday during a a demonstration in Rome against the government’s Jobs Act labour reform bill
Amanda Ashe of Oakland, left, ‘faces off’ with a police officer during the second night of demonstrations in Emeryville, California, following the grand jury decision in the shooting of Michael Brown in Ferguson, Missouri
Clashes break out between police and demonstrators as thousands of people take part in a demonstration on the streets in Brussels, Belgium. About 100,000 protesters took part in the demonstration
Anti-riot police clash with anti-austerity protesters near the Capodimonte museum during the Governing Council of the European Central Bank (ECB) on Thursday in Naples
NATO-led Kosovo Force (KFOR) soldiers rest after taking part in a crowd and riot control exercise near the town of Ferizaj on Friday
An Egyptian riot policeman secures a street in front of burning tyres thrown by supporters of Muslim Brotherhood movement during their rally to mark the first anniversary of the military ousting of president Mohamed Morsi on Thursday in Cairo’s Ain Shams district
Ukrainian police fight with ‘protesters’ as part of an exercise in riot control, in the southern Ukraine city of Odessa, ahead of next weekend’s elections. Election commission officials have warned that security concerns may make it difficult if not impossible to stage Sunday’s poll in parts of rebel-held areas in the eastern industrial belt.
A pro-European integration protester takes cover behind a makeshift shield at the site of clashes with riot police in Kiev, Ukraine. Opposition leaders emerged from crisis talks with President Viktor Yanukovich on Wednesday, saying he had failed to give concrete answers to their demands, and told their supporters on the streets to prepare for a police offensive
This photo released by the Ukrainian Ministry of Internal Affairs shows Ukrainian riot police on fire after gasoline bombs were hurled by anti-government protesters during the clashes in central Kiev, Ukraine
Riot police officers block Pro-EU activists gathered at Independence Square in Kiev, Ukraine. The policemen formed a chain across Kiev’s main street outside the city building.
A man works on a riot diorama by modelmaker Gareth Hutchinson in his model shop in Belfast, Northern Ireland. Each model in the diorama is individually handcrafted.
Riot police fire rubber bullets at demonstrator during clashes near Guanabara Palace where Pope Francis met President Dilma Rousseff in Rio de Janeiro, Brazil, on Monday. Demonstrators are continuing their anti-government protests, which began in June amid growing economic and social dissatisfaction in Brazil.