TOPSHOT - Nuns wait for the arrival of Pope Francis at the Venustiano Carranza stadium in Morelia, Michoacan State, Mexico on February 16, 2016. Pope Francis heads Tuesday to Mexico's troublesome western state of Michoacan, where the cult-like Knights Templar drug cartel and its pseudo-messianic leader terrorized the population until farmers revolted against them. AFP PHOTO/ALFREDO ESTRELLA / AFP / ALFREDO ESTRELLA (Photo credit should read ALFREDO ESTRELLA/AFP/Getty Images)
ALEPPO, SYRIA - FEBRUARY 9: Syrians look at the sky at a tent city near the Bab al-Salam crossing, opposite the Turkish province of Kilis, in Azaz town of Aleppo, Syria as the war crafts belonging to the Russian Army carries out airstrikes on the residential areas on February 9, 2016. (Photo by Fatih Aktas/Anadolu Agency/Getty Images)
A man holds a sign as he takes part in a demonstration in solidarity with migrants seeking asylum in Europe after fleeing their home countries in Stockholm on September 12, 2015. AFP PHOTO/JONATHAN NACKSTRAND (Photo credit should read JONATHAN NACKSTRAND/AFP/Getty Images)
The mother of two men, one of them, as she claims, was killed and the other one is missing, holds a picture of her lost son as she cries during a rally of mothers of the protesters in front of a policemen line facing anti-government opposition activists in the center of Kiev on January 31, 2014. Ukraine's military on Friday called on President Viktor Yanukovych to take "urgent steps" to ease turmoil in the country, weighing in for the first time on the ex-Soviet nation's worst crisis since independence. Ukrainian President Viktor Yanukovych on Friday signed a law offering an amnesty to jailed opposition activists and repealed controversial laws cracking down on protests, his office said. AFP PHOTO/ SERGEI SUPINSKY (Photo credit should read SERGEI SUPINSKY/AFP/Getty Images)
TOPSHOT - A member of Iraq's elite counter-terrorism service sits in a vehicle after being wounded in fighting the Islamic State group's jihadists in the al-Sajariyah area, east of the city of Ramadi, the capital of Iraq's Anbar province, 120 kilometers west of Baghdad, on February 3, 2016.
Iraqi forces declared victory in December in the Ramadi battle after wresting back control of the city's central government complex from the Islamic State group. / AFP / AHMAD AL-RUBAYE (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)
KOSTROMA REGION, RUSSIA. JANUARY 23, 2016. Servicemen of the 98th Guards Airborne Division of the Russian Airborne Troops during military exercises. Vladimir Smirnov/TASS (Photo by Vladimir SmirnovTASS via Getty Images)
Supporters of ruling party candidate, Jovenel Moise, of PHTK political party, march in Port-au-Prince, on January 28, 2016 to give their support to the candidate and to protest against the possible installation of a transitional government.
The demonstrators demand the continuation of the electoral process that was scheduled for Sunday January 24. Haiti's electoral authority postponed the planned January 24th presidential run-off amid mounting opposition street protests and voting fraud allegations. / AFP / HECTOR RETAMAL (Photo credit should read HECTOR RETAMAL/AFP/Getty Images)
A visitor looks at a painting showing former Russian spy Alexander Litvinenko, by Dmitry Vrubel and Viktoria Timofeyeva painters in the Marat Guelman gallery in Moscow, 23 May 2007. Britain is preparing an extradition warrant for a KGB agent over the murder of former Russian spy Alexander Litvinenko, officials said Wednesday, but remained tightlipped over the diplomatic fallout. AFP PHOTO / NATALIA KOLESNIKOVA (Photo credit should read NATALIA KOLESNIKOVA/AFP/Getty Images)
ALTERNATIVE CROP
A horseman jumps over a bonfire in the Spanish central village of San Bartolome de Pinares in the province of Avila, Castile and Leon, during the opening of the traditional religious festival "Luminarias" in honour of San Antonio Abad (Saint Anthony), patron saint of animals, on January 16, 2015. AFP PHOTO/ PIERRE-PHILIPPE MARCOU / AFP / PIERRE-PHILIPPE MARCOU (Photo credit should read PIERRE-PHILIPPE MARCOU/AFP/Getty Images)
PORT AU PRINCE, HAITI - JANUARY 2011: A young boy sits by his familiy's makeshift home at a tent camp, where 55,000 displaced Haitians are living on the grounds of what was the Club de Petionville January, 2011 in Port au Prince, Haiti. (Photo by Jonathan Torgovnik/Getty Images)
A woman with a tatoo of David Bowie reacts as she pays her respects in front of the British singer, painted by Australian street artist James Cochran, aka Jimmy C, following the announcement of Bowie's death, in Brixton, south London, on January 11, 2016. British music icon David Bowie died of cancer at the age of 69, drawing an outpouring of tributes for the innovative star famed for groundbreaking hits like "Ziggy Stardust" and his theatrical shape-shifting style. AFP PHOTO / JUSTIN TALLIS
RESTRICTED TO EDITORIAL USE, MANDATORY MENTION OF THE ARTIST UPON PUBLICATION, TO ILLUSTRATE THE EVENT AS SPECIFIED IN THE CAPTION / AFP / JUSTIN TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)
A poster with the face of Mexican drug lord Joaquin "El Chapo" Guzman, reading "Wanted, Again", is displayed at a newsstand in one Mexico City's major bus terminals on July 13, 2015, a day after the government informed of the escape of the drug kingpin from a maximum-security prison. Mexican security forces scrambled Monday to save face and recapture "El Chapo" as authorities investigated whether guards helped him escape prison through a tunnel under his cell. AFP PHOTO / YURI CORTEZ (Photo credit should read YURI CORTEZ/AFP/Getty Images)
Pope Francis leads the Epiphany mass (Three Kings' Day) on January 6, 2016 at St Peter's basilica in Vatican. AFP PHOTO / GABRIEL BOUYS / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)