police

Police officers from a Special Weapons and Tactics (SWAT) team take part in a survival drill in Qiannan prefecture, southwest China's Guizhou province.

Reuters

Police officers from a Swat (special weapons and tactics) team take part in a survival drill in Qiannan prefecture, Guizhou province, southwest China

A protestor argues with police during a demonstration demanding better public services and protesting the money spent on the World Cup soccer tournament in Sao Paulo, Brazil, Thursday, June 12, 2014. Brazilian police  clashed with anti-World Cup protesters trying to block part of the main highway leading to the stadium that hosts the opening match of the tournament.

Rodrigo Abd/AP

A man argues with police during a demonstration on Thursday in São Paulo, Brazil, demanding better public services and protesting against the money spent on the World Cup football tournament

Royal Canadian Mounted Police officers gather to attend the funeral for three fellow officers who were killed last week in Moncton, New Brunswick, June 10, 2014. Justin Bourque, 24, was charged with murder on Friday in the slayings of the three Royal Canadian Mounted Police officers, Constables Fabrice Georges Gevaudan, 45; David Joseph Ross, 32, and Douglas James Larche, 40, during a shooting spree in the eastern Canadian city of Moncton. The shooting spree was one of the worst of its kind in Canada, where gun laws are stricter than in the United States and deadly attacks on police are rare.

Mark Blinch/Reuters

Royal Canadian Mounted Police officers gather to attend the funeral of three fellow officers who were killed while on duty last week in Moncton, New Brunswick, after they responded to a call about an armed man. The gunman open-fired, killing the three and injuring two others

Protesters scuffle with police outside the closed entrance of Ana Rosa subway station during the fifth day of metro worker's protest in Sao Paulo June 9, 2014. A court set a 500,000 reais penalty ($223,000) for each day they stay off work from Monday and also declared the strike illegal, complicating preparations for the World Cup opening match.

Damir Sagolj/Reuters

Protesters scuffle with police outside the closed entrance of Ana Rosa station during the fifth day of metro workers’ strike in São Paulo on Monday morning.

sraeli soldiers and border police detain a Palestinian during a protest in solidarity with prisoners on hunger strike, at Qalandia checkpoint near the West Bank city of Ramallah...Israeli soldiers and border police detain a Palestinian during a protest in solidarity with prisoners on hunger strike, at Qalandia checkpoint near the West Bank city of Ramallah June 5, 2014. Some 120 Palestinians jailed without trial in Israel have been on an open-ended hunger strike, eating only salt and drinking water, since April 24 to demand an end to so-called "administrative detention". REUTERS/Mohamad Torokman (WEST

Mohamad Torokman/Reuters

Israeli soldiers and border police detain a Palestinian during a protest in solidarity with prisoners on hunger strike, at Qalandia checkpoint near the West Bank city of Ramallah

Emergency Response team members take cover behind vehicles in Moncton

Ron Ward/Moncton Times & Transcript/Reuters

Emergency response team members take cover behind vehicles in Moncton, New Brunswick, Canada. Three police officers were shot dead and two more were wounded, police said as they conducted a manhunt for a man carrying a rifle and wearing camouflage clothes

Tiananmem Square Anniversary...BEIJING, CHINA - JUNE 03:  Chinese Paramilitary police stand guard near Tiananmen Square on June 4, 2014 in Beijing, China. Twenty-five years ago on June 4, 1989 Chinese troops cracked down on pro-democracy protesters and in the clashes that followed scores were killed and injured.

Kevin Frayer/Getty Images

Chinese paramilitary police stand guard near Tiananmen Square on Wednesday in Beijing. Twenty-five years ago on this day Chinese troops cracked down on pro-democracy protesters and in the clashes that followed scores were killed and injured.

A Brazil's national soccer team fan talks with riot policemen outside their hotel ahead their friendly match against Panama during their preparation for the 2014 World Cup in Goiania...A Brazil's national soccer team fan talks with riot policemen outside their hotel ahead their friendly match against Panama during their preparation for the 2014 World Cup in Goiania June 3, 2014. The words painted on the fans hair read "Win".

Ricardo Moraes/Reuters

A Brazil’s national football team fan talks with riot policemen outside their hotel ahead their friendly match against Panama during their preparation for the 2014 World Cup in Goiania on Tuesday

Supporters of BJP are stopped by police from moving towards office of Yadav, chief minister of Uttar Pradesh, during a protest against recent rape and hanging of two girls, in Lucknow...Supporters of Bharatiya Janata Party (BJP) are stopped by police from moving towards the office of Akhilesh Yadav, the chief minister of the northern Indian state of Uttar Pradesh, during a protest against recent rape and hanging of two girls, in Lucknow June 2, 2014. Three men were arrested for the crime in Uttar Pradesh that underscored the enduring culture of sexual assault in India and the capacity for appalling violence between Hindu castes. Two policemen were held on suspicion of attempting to cover up the killings. On Monday, Modi's BJP sought to make political capital. Workers from the party accused the Uttar Pradesh state government, headed by Samajwadi Party, of negligence over the crimes and of being unfit to govern. Police fired water cannon at the protesters, who were demanding the state government be dismissed and the imposition of direct, presidential rule. REUTERS/Pawan Kumar (INDIA - Tags: POLITICS CRIME LAW CIVIL UNREST)

Pawan Kumar/Reuters

Bharatiya Janata Party (BJP) supporters are stopped from moving towards the office of Akhilesh Yadav, the chief minister of the northern Indian state of Uttar Pradesh, during a protest against the recent rape and hanging of two girls in Lucknow

Policemen of the "Choque" special unit pose during the presentation of security forces for the upcoming FIFA World Cup, in Flamengo beach in Rio de Janeiro on May 30, 2014.

Christophe Simon/AFP

Policemen of the “Choque” special unit pose during the presentation of security forces for the upcoming FIFA World Cup, in Flamengo beach in Rio de Janeiro on Friday.