In this Thursday, Aug. 27, 2015 file photo, a child is helped cross from Serbia to Hungary through the barbed wire fence near Roszke, southern Hungary. The Hungarian government has submitted to parliament Constitutional amendments and a new draft law further tightening the country’s laws on refugees and asylum-seekers. The legislation submitted Tuesday, which complements draft bills presented earlier this year by Prime Minister Viktor Orban’s Cabinet, seeks to prevent Hungary “from becoming an immigrant country”. (Photo by Darko Bandic/AP Photo)





Police try to calm a man who crossed over a police line at the scene of a shooting in Liege, Belgium, Tuesday, May 29, 2018. A gunman killed three people, including two police officers, in the Belgian city of Liege on Tuesday, a city official said. Police later killed the attacker, and other officers were wounded in the shooting. (Photo by Geert Vanden Wijngaert/AP Photo)





A police officer is seen on the scene of a shooting in Liege, Belgium on May 29, 2018, after a gunman shot dead three people, two of them policemen, before being killed by elite officers. The shooting occurred around 10:30 am (0830 GMT) on a major artery in the city close to a high school. “We don' t know anything yet”, the spokeswoman for the Liege prosecutors office, told AFP when asked about the shooter' s motives. (Photo by Francois Lenoir/Reuters)





Police in riot gear riding on the back of pick-up trucks charge towards demonstrators taking part in a protest against Nicaragua's President Daniel Ortega in Managua, Nicaragua, Monday, May 28, 2018. Violence returned to Nicaragua when riot police confronted protesters and students seized a university. (Photo by Esteban Felix/AP Photo)





A police officer aims his shotgun at two men riding a motorcycle during a protest against Nicaragua's President Daniel Ortega in Managua, Nicaragua, Monday, May 28, 2018. Violence returned to Nicaragua when riot police confronted protesters and students seized a university. (Photo by Esteban Felix/AP Photo)





A model walks the runway during the Louis Vuitton 2019 Cruise Collection at Fondation Maeght on May 28, 2018 in Saint-Paul-De-Vence, France. (Photo by Stephane Cardinale/Corbis via Getty Images)





In this photo taken on Friday, May 31, 2013, Arkady Babchenko, 41, who had been scathingly critical of the Kremlin in recent years, stands at a police bus during an opposition rally in Moscow, Russia. Police in the capital of Ukraine say a Russian journalist has been shot and killed at his Kiev apartment. Ukrainian police said Arkady Babchenko’s wife found him bleeding at the apartment on Tuesday, May 29, 2018 and called an ambulance, but Babchenko died on the way to a hospital. (Photo by Alexander Baroshin/AP Photo)





On Memorial Day, Brandi Quirk, 43 of Stafford, Virginia, USA, mourns the loss of her mother at the gravesite of her maternal grandparents in at Arlington National Cemetery in Arlington, Virginia, USA, on 28 May 2018. Quirk, who lost her mother 7 months ago, used to visit the gravesite every year with her mother on Memorial Day. (Photo by Pete Marovich/EPA/EFE)





A Tibetan Buddhist monk wearing traditional costume waits to perform ritual dance on Vesak Day at the Enlightened Heart Tibetan Buddhist temple in Ipoh, Malaysia May 29, 2018. Vesak, also known as Buddha Purnima and Buddha Day, is a holiday traditionally observed by Buddhists and some Hindus on different days in India, Sri Lanka, Nepal, Tibet etc. (Photo by Lai Seng Sin/Reuters)





Thai Buddhists hold candles as they circulate around a statue in prayer at the Buddha Monthon park to celebrate Buddha Day in Nakon Pathom Province, west of Bangkok, Thailand, 29 May 2018. Vesak Day or Visakha Bucha, one of the holiest days in Buddhism to commemorating the birth, enlightenment and the death of Buddha. (Photo by Diego Azubel/EPA/EFE)





Even the Parisian stormclouds cleared for Serena Williams on Tuesday, on May 30, 2018 as the new mother's baby steps back to Grand Slam tennis became a stride into the second round of the French Open after defeating Kristyna Pliskova of the Czech Republic. (Photo by Christian Hartmann/Reuters)





Volcanic gases rise from the Kilauea lava flow that crossed Pohoiki Road near Highway 132, near Pahoa, Hawaii, May 28, 2018. (Photo by Marco Garcia/Reuters)





Anthropologist Valeria Amoretti works with a brush on a skeleton of a victim of the eruption of Mt. Vesuvius in A.D. 79, which destroyed the ancient town of Pompeii, at Pompeii' archeological site, near Naples, on Tuesday, May 29, 2018. The skeleton was found during recent excavations and is believed to be of a 35-year-old man with a limp who was hit by a pyroclastic cloud during the eruption. (Photo by Ciro Fusco/ANSA via AP Photo)





Institutional Revolutionary Party (PRI) presidential candidate Jose Antonio Meade reacts while falling off his chair after arriving to a meeting with citizens in Mexico City, Mexico on May 29, 2018. (Photo by Gustavo Graf/Reuters)





General view of the moon and fans during the international friendly soccer match between Argentina and Haiti at La Bombonera stadium in Buenos Aires, Argentina, 29 May 2018. (Photo by Agustin Marcarian/Reuters)





Japan's Prime Minister Shinzo Abe checks a mobile phone and his wife Akie looks on before the welcoming ceremony for Vietnam's President Tran Dai Quang at the Imperial Palace in Tokyo, Japan May 30, 2018. (Photo by Kim Kyung-Hoon/Reuters)





Firefighters work to douse flames on a truck in New Delhi, India, Tuesday, May 29, 2018. The fire that started in a truck spread to a nearby warehouse. No casualties have been reported. (Photo by Manish Swarup/AP Photo)





A pigeon flies over spectators as France's Nicolas Mahut plays Argentina's Juan Martin Del Potro during their first round match of the French Open tennis tournament at the Roland Garros stadium, Tuesday, May 29, 2018 in Paris. (Photo by Alessandra Tarantino/AP Photo)





Motorcyclists ride down Atlantic Street during Black Bike Week on May 27, 2018 in Atlantic Beach, South Carolina. Also known as Atlantic Beach Bikefest and Black Bikers Week, the annual Memorial Day weekend event has been held since 1980. (Photo by Sean Rayford/The Sun)





Revellers in Blackpool kept the bank holiday party going on May 30, 2018, taking full advantage of the warm weather and long weekend to let rip. The bank holiday booze up continued across Britain with one party-goer managing to accidentally flash her knickers in public. A bank holiday is a public holiday in the United Kingdom and some Commonwealth countries. (Photo by NB Press Ltd/The Sun)