A police officer passes by a forensic expert after several people have been injured in a knife attack on the streets of Vienna, Austria, Wednesday, March 7, 2018. (Photo by Ronald Zak/AP Photo)





A person uses an umbrella while walking during a snow storm, Wednesday, March 7, 2018, in Morristown, N.J. (Photo by Julio Cortez/AP Photo)





Police officers guard a cordon around a police tent covering the the spot where former Russian double agent Sergei Skripal and his daughter were found critically ill Sunday following exposure to an “unknown substance” in Salisbury, England, Wednesday, March 7, 2018. Britain's counterterrorism police took over an investigation Tuesday into the mysterious collapse of the former spy and his daughter, now fighting for their lives. The government pledged a “robust” response if suspicions of Russian state involvement are proven. Sergei Skripal and his daughter are in a critical condition after collapsing in the English city of Salisbury on Sunday. (Photo by Matt Dunham/AP Photo)





Kosovo Albanians visit the compound of Jashari family houses damaged in 1998/99 Kosovo war during a bonfire ceremony “Night of the Fires” in the village of Prekaz, Kosovo on Wednesday, March 7, 2017. Kosovo Liberation Army (KLA) commander Adem Jashari was killed along with 45 members of his family by Serb forces during the Kosovo war in the village of Prekaz in 1998. Every year hundreds of people gather to commemorate the event with a bonfire ceremony in the village. (Photo by Visar Kryeziu/AP Photo)





Activists arrive to take part in the International Conscience Convoy which aims to reach Turkish-Syrian border on the International Women's Day to raise awareness about the plight of Syrian women, in Istanbul, Turkey March 6, 2018. (Photo by Murad Sezer/Reuters)





Greek taxi drivers surround a vehicle they say is being used by an Uber driver during a protest against taxi-hailing apps such as Uber in Athens, Greece March 6, 2018. (Photo by Alkis Konstantinidis/Reuters)





A fighter aircraft is seen in the wreckage of the sunken USS Lexington, a World War Two U.S. Navy aircraft carrier, in this handout image obtained March 6, 2018 courtesy of Paul G. Allen. (Photo by Paul G. Allen/Reuters)





An inmate at Tihar Jail, the largest complex of prisons in South Asia, makes decorations for an event to mark International Women's Day in New Delhi, India March 7, 2018. (Photo by Cathal McNaughton/Reuters)





Musicians at the China booth at the International Tourism Trade Fair ITB in Berlin, Germany on March 7, 2018. (Photo by Fabrizio Bensch/Reuters)





Travel agents are pictured at the Egypt booth at the International Tourism Trade Fair ITB in Berlin, Germany on March 7, 2018. (Photo by Fabrizio Bensch/Reuters)





Exhibitors pose at the Eurowings booth at the International Tourism Trade Fair ITB in Berlin, Germany on March 7, 2018. (Photo by Fabrizio Bensch/Reuters)





Exhibitors pose at the Maldives booth at the International Tourism Trade Fair ITB in Berlin, Germany on March 7, 2018. (Photo by Fabrizio Bensch/Reuters)





Exhibitors pose at the Mexico booth at the International Tourism Trade Fair ITB in Berlin, Germany on March 7, 2018. (Photo by Fabrizio Bensch/Reuters)





Activists from Avaaz stage a protest timed to coincide with the visit by Saudi Arabia's Crown Prince Mohammad bin Salman outside the Houses of Parliament in London, Britain, March 7, 2018. (Photo by Henry Nicholls/Reuters)





Lena Schroeder NOR looks on during an Ice Hockey practice at the Gangneung Hockey Centre. Schroeder is the only female among 135 Ice Hockey players at the PyeongChang 2018 Paralympic Winter Games. The Paralympic Winter Games, PyeongChang, South Korea, Wednesday 7th March 2018. (Photo by Joel Marklund/Reuters/OIS/IOC)





A Palestinian burns representations of U.S and Israeli flags during a protest against U.S. President Donald Trump's decision on Jerusalem ahead of International Women's Day, in Rafah in the southern Gaza Strip March 7, 2018. (Photo by Ibraheem Abu Mustafa/Reuters)





Acid attack survivors pose during a fashion show to mark International Women's Day in Thane on the outskirts of Mumbai, India on March 7, 2018. (Photo by Danish Siddiqui/Reuters)





A voter casts her ballot at a polling station during Sierra Leone's general election in Freetown, Sierra Leone March 7, 2018. (Photo by Olivia Acland/Reuters)





Anti riot policeman drags away a supporter of Sierra Leone People's Party (SLPP) during a protest against the police attempting to search the offices of Julius Maada Bio, the presidential candidate for (SLPP) in Freetown, Sierra Leone March 7, 2018. (Photo by Olivia Acland/Reuters)





An armed forces members patrol during an operation against drug dealers in Vila Kennedy slum in Rio de Janeiro, March 7, 2018. (Photo by Pilar Olivares/Reuters)





A Saudi woman sits in a car during a driving training at a university in Jeddah, Saudi Arabia March 7, 2018. (Photo by Faisal Al Nasser/Reuters)