Icelands Prime Minister Sigmundur David Gunnlaugsson attends a session of parliament in Reykjavik, Iceland on April 4, 2016. Iceland's prime minister faced calls to resign after leaked "Panama Papers" tax documents showed he and his wife used an offshore firm to allegedly hide million-dollar investments. / AFP PHOTO / HALLDOR KOLBEINS (Photo credit should read HALLDOR KOLBEINS/AFP/Getty Images)
