Week in pictures: From Kabul blast to refugee crisis

A Syrian child sits on a wheelchair after he and his family crossed into Turkey, in the Oncupinar border crossing with Syria, known as Bab al Salameh in Arabic, in the outskirts of the town of Kilis, Turkey. [Lefteris Pitarakis/AP Photo]
A Syrian child sits on a wheelchair after he and his family crossed into Turkey, in the Oncupinar border crossing with Syria, known as Bab al Salameh in Arabic, in the outskirts of the town of Kilis, Turkey. [Lefteris Pitarakis/AP Photo]
A super blue blood moon rises behind the 2,500-year-old Parthenon temple on the Acropolis of Athens, Greece. [Petros Giannakouris/AP Photo]
A super blue blood moon rises behind the 2,500-year-old Parthenon temple on the Acropolis of Athens, Greece. [Petros Giannakouris/AP Photo]
World War II guns fire a salute during celebrations of the 74th anniversary of the battle that lifted the Siege of Leningrad in St.Petersburg, Russia. The Nazi German and Finnish siege and blockade of Leningrad, now known as St. Petersburg, was broken on January 18, 1943 but finally lifted January 27, 1944. More than 1 million people died mainly from starvation during the 900-day siege. [Dmitri Lovetsky/AP Photo]
World War II guns fire a salute during celebrations of the 74th anniversary of the battle that lifted the Siege of Leningrad in St.Petersburg, Russia. The Nazi German and Finnish siege and blockade of Leningrad, now known as St. Petersburg, was broken on January 18, 1943 but finally lifted January 27, 1944. More than 1 million people died mainly from starvation during the 900-day siege. [Dmitri Lovetsky/AP Photo]
Suede Uma, 6, a South Sudanese refugee child, plays within Kalobeyei Settlement outside the Kakuma refugee camp in Turkana county, northwest of Nairobi, Kenya. [Thomas Mukoya/Reuters]
Suede Uma, 6, a South Sudanese refugee child, plays within Kalobeyei Settlement outside the Kakuma refugee camp in Turkana county, northwest of Nairobi, Kenya. [Thomas Mukoya/Reuters]
A group of participants dressed in traditional clothes and wearing large hats decorated with ribbons and feathers, known as 'Ttutturo', take part in the Carnival of the Pyrenees villages of Leitza, northern Spain. [Alvaro Barrientos/AP Photo]
A group of participants dressed in traditional clothes and wearing large hats decorated with ribbons and feathers, known as 'Ttutturo', take part in the Carnival of the Pyrenees villages of Leitza, northern Spain. [Alvaro Barrientos/AP Photo]
329 refugees and migrants, mostly from Eritrea and Bangladesh, wait to be rescued by aid workers after leaving Libya trying to reach European soil aboard an overcrowded wooden boat, 45 miles north of Al-Khums, Libya. [Santi Palacios/AP Photo]
329 refugees and migrants, mostly from Eritrea and Bangladesh, wait to be rescued by aid workers after leaving Libya trying to reach European soil aboard an overcrowded wooden boat, 45 miles north of Al-Khums, Libya. [Santi Palacios/AP Photo]
A Turkey-backed Free Syrian Army fighter holds a makeshift Turkish flag as he patrols on a road near Azaz, Syria. [Osman Orsal/Reuters]
A Turkey-backed Free Syrian Army fighter holds a makeshift Turkish flag as he patrols on a road near Azaz, Syria. [Osman Orsal/Reuters]
Supporters of opposition leader Raila Odinga, one wearing a mask, attend a mock swearing-in ceremony at Uhuru Park in downtown Nairobi, Kenya. Odinga was sworn-in as the people's president in protest of President Uhuru Kenyatta's new term following the divisive 2017 election, and despite the government's warning that the event would be considered treason. [Ben Curtis/AP Photo]
Supporters of opposition leader Raila Odinga, one wearing a mask, attend a mock swearing-in ceremony at Uhuru Park in downtown Nairobi, Kenya. Odinga was sworn-in as the people's president in protest of President Uhuru Kenyatta's new term following the divisive 2017 election, and despite the government's warning that the event would be considered treason. [Ben Curtis/AP Photo]
An injured man receives medical assistance after a blast in Kabul, Afghanistan. [Mohammad Ismail/Reuters]
An injured man receives medical assistance after a blast in Kabul, Afghanistan. [Mohammad Ismail/Reuters]
A boy carries his injured dog, hit by a stray bullet during a heavy exchange between police and alleged drug traffickers at the Rocinha slum of Rio de Janeiro, Brazil. [Ricardo Moraes/Reuters]
A boy carries his injured dog, hit by a stray bullet during a heavy exchange between police and alleged drug traffickers at the Rocinha slum of Rio de Janeiro, Brazil. [Ricardo Moraes/Reuters]