Guns

Stefan Roussea/AFP/Getty

Armed Metropolitan Police counter terrorism officers take part in an exercise on the River Thames, London 

Tribesmen loyal to Houthi rebels hold their weapons during a gathering aimed at mobilizing more fighters into battlefronts in several Yemeni cities, in Sanaa, Yemen, Monday, June 20, 2016. Yemen's civil war has killed some 9,000 people since March 2015 — a third of them civilians, according to the United Nations. (AP Photo/Hani Mohammed)

Hani Mohammed/AP

Tribesmen loyal to Houthi rebels hold their weapons during a gathering aimed at mobilising more fighters into battlefronts in several Yemeni cities, in Sanaa, Yemen 

epa05360992 A woman places a candle to mourn, honor and remember the victims of the Orlando nightclub shooting at Newtown, in Sydney, Australia, 13 June 2016. At least 50 people were killed and 53 were injured in a shooting attack at an LGBT club in Orlando, Florida, in the early hours of 12 June. The shooter, Omar Mateen, 29, a US citizen of Afghan descent, was killed in an exchange of fire with the police after taking hostages at the club.  EPA/SAM MOOY AUSTRALIA AND NEW ZEALAND OUT

Sam Mooy/EPA

A woman places a candle to mourn, honour and remember the victims of the Orlando nightclub shooting at Newtown, in Sydney. At least 50 people were killed and 53 were injured in a shooting attack at an LGBT club in Orlando, Florida 

Indonesian police take position behind a...Indonesian police take position behind a vehicle as they pursue suspects after a series of blasts hit the Indonesia capital Jakarta on January 14, 2016. A series of bombs killed at least three people in the Indonesian capital Jakarta on January 14, with shots fired outside a cafe as police moved in, an AFP journalist at the scene said.     AFP PHOTO / Bay ISMOYOBAY ISMOYO/AFP/Getty Images

Bay Ismoyo/AFP/Getty

Indonesian police take position behind a vehicle as they pursue suspects after a series of blasts hit the Indonesia capital Jakarta on Thursday 

Shia tribesmen, known as Houthis, hold their weapons as they chant slogans during a tribal gathering showing support for the Houthi movement in Sanaa, Yemen, Tuesday, Dec. 15, 2015. A tenuous ceasefire is holding in Yemen despite some violations, as U.N.-brokered peace talks between the country s U.S. and Saudi-backed internationally recognized government and Shiite rebels start in Switzerland. But with both camps  positions unchanged and little sign either is ready for compromise, observers are not expecting much.

Hani Mohammed/AP

Shia tribesmen, known as Houthis, hold their weapons as they chant slogans during a tribal gathering showing support for the Houthi movement in Sanaa, Yemen on Tuesday

South African police fire rubber bullets to disperse residents of Masiphumelele during a protest against the police in Masiphumelele, Cape Town, South Africa  23 October 2015. Community members are angered at the arrest of some residents suspected to be vigilantes following the killing of suspected criminals by vigilantes. This follows weeks of protests over the lack of policing in the impoverished area and the alleged targetting of vigilante members by the police

Nic Bothma/EPA

South African police fire rubber bullets to disperse residents of Masiphumelele during a protest against the police in Masiphumelele, Cape Town, South Africa

Shiite fighters, known as Houthis, holding their weapons chant slogans during a tribal gathering showing support to the Houthi movement in Sanaa, Yemen, Thursday, Oct. 22, 2015

Hani Mohammed/AP

Shia fighters, known as Houthis, hold their weapons whilst chanting slogans during a tribal gathering showing support to the Houthi movement in Sanaa, Yemen

Syrian refugee camp in Turkey

EPA

Syrian refugee boy plays with toy guns at Akcakale Refugee Camp in Sanliurfa, southeastern Turkey, on Thursday.

Ukrainian soldiers demonstrate their skills, prior to being sent the country's east to fight against pro-Russian separatists, in a military base in the village of Novi Petrivtsi near Kiev Wednesday, July 22, 2015.

Efrem Lukasky/AP

Ukrainian soldiers demonstrate their skills, prior to being sent the country’s east to fight against pro-Russian separatists, in a military base in the village of Novi Petrivtsi near Kiev on Wednesday

South Korean marines aim their machine guns after they landed on the beach during a landing exercise in Taean, South Korea, Monday, June 29, 2015. South Korean navy and marine held a joint landing drill on the west coast on Monday improving their military readiness to protect the Korean Peninsula

Ahn Young-joon/AP

South Korean marines aim their machine guns after they landed on the beach during a landing exercise in Taean, South Korea on Monday. South Korean navy and marine held a joint landing drill on the west coast on Monday improving their military readiness to protect the Korean Peninsula

Special Operations Battalion (BOPE) Police officers patrol as residents move about the Sao Carlos slum complex where the bodies of two men were found in Rio de Janeiro, Brazil, Friday, May 15, 2015. The bodies of two young men were discovered late Thursday in this so-called "pacified" slum where police are present.

Felipe Dana/AP

Special Operations Battalion (BOPE) Police officers patrol as residents move about the Sao Carlos slum complex where the bodies of two men were found in Rio de Janeiro, Brazil on Friday

Members of Libyan pro-government forces, who are backed by the locals, sit together during clashes with the Shura Council of Libyan Revolutionaries in Benghazi...Members of Libyan pro-government forces, who are backed by the locals, sit together during clashes with the Shura Council of Libyan Revolutionaries in the streets of Benghazi January 19, 2015. The Shura Council of Libyan Revolutionaries is an alliance of former anti-Gaddafi rebels who have joined forces with Islamist group Ansar al-Sharia

Esam Omran Al-Fetori/Reuters

Members of Libyan pro-government forces, who are backed by the locals, sit together during clashes with the Shura Council of Libyan Revolutionaries in the streets of Benghazi. The council is an alliance of former anti-Gaddafi rebels who have joined forces with Islamist group Ansar al-Sharia

Emergency Services Attend Further Hostage Situation In Kosher Deli...PARIS, FRANCE - JANUARY 09:  Police are mobilized with reports of a hostage situation at Port de Vincennes on January 9, 2015 in Paris, France. According to reports at least five people have been taken hostage in a kosher deli in the Port de Vincennes area of Paris. A huge manhunt for the two suspected gunmen in Wednesday's deadly attack on Charlie Hebdo magazine has entered its third day.  (Photo by Dan Kitwood/Getty Images)

Dan Kitwood/Getty

Armed police gather near the scene of a hostage situation in Port de Vincennes in Paris, France. According to reports, at least five people were taken hostage in a kosher deli. 

Shiite fighters seized control of the capital Sana a...epa04411989 Gunmen of the Shiite Houthi movement shout anti-Government slogans as they stand on a hill overlooking the capital  after they consolidated their foothold in Sana'a, Yemen, 22 September 2014. Reports state the Yemeni government and Shiite Houthi rebels on 21 September signed a UN-brokered ceasefire hours after Houthi insurgents captured major state institutions in the Arabian Peninsula country's worst crisis in three years.  The deal, including calls for an immediate ceasefire, the formation of a national unity government and economic reforms, was announced after four days of heavy fighting in Sana'a, pitting the Houthis against Sunni rivals backed by government forces.

Yahya Arhab/EPA

Gunmen of the Shia Houthi movement shout anti-Government slogans as they stand on a hill overlooking the capital after they consolidated their foothold in Sana’a, Yemen on Monday

Boys play with their toy guns after attending Eid al-Fitr prayers to mark the end of the fasting month of Ramadan in Somalia's capital Mogadishu.

Feisal Omar/Reuters

Boys play with their toy guns after attending Eid al-Fitr prayers to mark the end of the fasting month of Ramadan in Somalia’s capital Mogadishu.

Smoke rises above Karachi airport terminal Monday, June 9, 2014 in Pakistan. Gunmen disguised as police guards attacked the terminal with machine guns and a rocket launcher during a five-hour siege that killed 13 people as explosions echoed into the night, while security forces retaliated and killed all the attackers, officials said Monday. (AP Photo/Shakil Adil)

Shakil Adil/AP

Smoke rises above Karachi airport terminal in Pakistan. Gunmen disguised as police guards attacked the terminal with machine guns and a rocket launcher. Security forces retaliated and killed all the attackers during a five-hour siege in which at least 29 people died, officials said on Monday. 

Indian security personnel look on as a voter leaves a polling station after casting her ballot in Kahnmun, some 190 kms from Aizwal, the capital of the northeastern Indian state of Mizoram on April 11, 2014. Indians began voting April 7 in the world's biggest election, which is set to sweep the Hindu nationalist opposition to power at a time of low growth, anger over corruption and warnings about religious unrest. Elections are being held in nine phases from April 7 until May 12.

Arindam Dey/AFP

Indian security personnel stand guard as a voter leaves a polling station after casting her ballot in Kahnmun, some 190km from Aizawl, the capital of Mizoram in northeast India, on Friday.

Police drill in Dili...epaselect epa04142561 East Timorese police officers show their skills during a drill to mark the 14th Anniversary of Timor-Leste National Police (PNTL) in Dili, East Timor also known as Timor Leste, 27 March 2014.  EPA/ANTONIO DASIPARU

Antonio Dasiparu/EPA

East Timorese police officers take part in a drill to mark the 14th Anniversary of Timor-Leste National Police in Dili, East Timor, also known as Timor Leste.

Japanese honor guards hold their guns before a welcoming ceremony for Lithuanian Defence Minister Juozas Olekas (unseen in this picture) at the Defense Ministry in Tokyo on February 25, 2014. Olekas is now here to exchange views with Japanese officials.

Yoshikazu Tsuno/AFP

Japanese honour guards hold their guns before a welcoming ceremony for Lithuanian defence minister Juozas Olekas at the Defence Ministry in Tokyo on Tuesday.

Islamist fighters demonstrate with their weapons during their graduation ceremony at a camp in eastern al-Ghouta, near Damascus...Islamist fighters demonstrate with their weapons during their graduation ceremony at a camp in eastern al-Ghouta, near Damascus November 28, 2013. The newly graduated fighters, who went through military training, will operate under the Islamist Ahrar al-Sham brigade. Picture taken November 28. REUTERS/Diaa Al-Din

Diaa Al-Din/Reuters

Islamist fighters show off their weapons skills at a graduation ceremony at a military training camp in eastern al-Ghouta, near Damascus, Syria. The fighters will operate under the Islamist Ahrar al-Sham brigade.