Opposition figure Moise Katumbi (C) arrives at the courthouse in Lubumbashi on May 13, 2016. Police in DR Congo fired tear gas today to break up a demonstration by several thousand supporters of powerful opposition figure Moise Katumbi as they protested against charges he hired foreign mercenaries. The protesters were gathered outside the courthouse in the second city of Lubumbashi where Katumbi, the leading rival of President Joseph Kabila, was due to face a hearing over the controversial allegations. / AFP / FISTON MAHAMBA (Photo credit should read FISTON MAHAMBA/AFP via Getty Images)