Anti-immigration activists attend a protest against a group of asylum-seekers from Yemen, in Seoul on June 30, 2018. - South Korea will tighten its refugee laws, it said June 29, after protests over the arrival of hundreds of asylum-seekers who fled war-ravaged Yemen for its southern resort island of Jeju. (Photo by Ed JONES / AFP) (Photo credit should read ED JONES/AFP/Getty Images)
