terrorism

A police officer carries a portrait of Russian police senior sergeant Dmitry Makovkin, who was killed by a suicide bomb blast in Volgograd’s main railway station, in front of the funeral procession carrying Makovkin's coffin.

Vasily Fedosenko/Reuters

A police officer carries a portrait of Russian police senior sergeant Dmitry Makovkin, who was killed by a suicide bomb blast in Volgograd’s main railway station, in front of the funeral procession carrying Makovkin’s coffin.

Relatives of those who died lay white roses and pray at a stone memorial, during a memorial service marking the one-month anniversary of the Sept. 21 Westgate Mall terrorist attack, in Karura Forest in Nairobi, Kenya Monday, Oct. 21, 2013. Families and friends of those killed in the attack planted trees in memory of lost loved ones in a ceremony that stressed that the attack occurred against people of all races and religions.

Ben Curtis/AP

Relatives of those who died lay white roses and pray at a stone memorial during a service on Monday marking the one-month anniversary of the Westgate Mall terrorist attack, in Nairobi, Kenya. Families and friends of those killed planted trees in memory of lost loved ones in a ceremony that stressed the attack occurred against people of all races and religions.

Pakistani Christian protesters chant slogans to condemn a Peshawar suicide attack on a church, in Lahore, Pakistan, Tuesday, Sept. 24, 2013. Pakistani Christians denounced the deadliest attack ever in this country against members of their faith when a pair of suicide bombers blew themselves up amid hundreds of worshippers outside a historic church in northwestern Pakistan on Sunday, Sept. 22, 2013. The placard at right reads, "give us protection." (AP Photo/K.M. Chaudary)

K.M. Chaudary/AP

Pakistani Christian protesters chant slogans to condemn a Peshawar suicide attack on a church in Lahore, Pakistan. Pakistani Christians denounced the attack against members of their faith when a pair of suicide bombers blew themselves up amid hundreds of worshippers outside a historic church in northwestern Pakistan on Sunday. The placard on the right reads: ‘give us protection’. Read more

Muslim Cleric Abu Qatada Is Extradited To Jordan To Face Terror Charges...LONDON, ENGLAND - JULY 7:  (NO SALES) (EDITORIAL USE ONLY)  In this handout image provided by the MoD, radical cleric Abu Qatada (L) prepares to board a plane at RAF Northolt which will take him to Jordan, after he was deported from the UK to face terrorism charges in his home country, on July 7, 2013 in London, England. (Photo by Sgt Ralph Merry/MoD via Getty Images)

Sgt Ralph Merry/MoD/Getty

Abu Qatada prepares to board a plane at RAF Northolt, which will take him to Jordan, after he was deported from the UK to face terrorism charges in his home country, on Sunday

Yemeni Al-Qaeda militants listen as the judge sentenced them to jail for plotting attacks in Yemen at the Sanaa court on April 23, 2013. The court handed the militants jail sentences ranging between four and 10 years, on charges of forming an armed group to carry out attacks against military, government buildings and foreign interests in Yemen.

Mohammed Huwais/AFP

Yemeni al-Qaeda militants listen as a judge sentences them to jail for plotting attacks in Yemen at the Sana’a court. The court handed out jail sentences ranging between four and 10 years, on charges of forming an armed group to carry out attacks against military, government buildings and foreign interests in Yemen. Read more

Miller, a Transit Police dog with the Massachusetts Transportation Authority Explosives Detection Unit, watches as commuters enter the subway system at Back Bay Station a day after two explosions near the finish line of the Boston Marathon in Boston, Massachusetts April 16, 2013. Two bombs packed with ball bearings tore through crowds near the finish line of the Boston Marathon on Monday, killing three people and triggering  a massive hunt for those behind an attack the White House said would be treated as "an act of terror."

Jessica Rinaldi/Reuters

Miller, a Transit Police dog, watches commuters at Back Bay Station a day after two explosions in Boston. Miller, a Transit Police dog with the Massachusetts Transportation Authority Explosives Detection Unit, watches as commuters enter the subway system at Back Bay Station a day after two explosions near the finish line of the Boston Marathon in Boston, Massachusetts April 16, 2013. Read more

Bill Iffrig, 78, lies on the ground as police officers react to a second explosion at the finish line of the Boston Marathon in Boston, Monday, April 15, 2013. Iffrig, of Lake Stevens, Wash., was running his third Boston Marathon and near the finish line when he was knocked down by one of two bomb blasts.

John Tlumacki/Boston Globe/AP

Bill Iffrig, 78, lies on the ground as police officers react to a second explosion at the finish line of the Boston Marathon on April 15 2013. Mr Iffrig, of Lake Stevens, Washington, was running his third Boston marathon and was near the finish line when he was knocked down by one of two bomb blasts.