UN Secretary-General Ban Ki-moon, center, the United Nations Special Envoy for Yemen, Ismail Ould Cheikh Ahmed, left, and Michael Moller, right, Acting Director-General of the United Nations Office in Geneva, attend a news conference at the Geneva Consultations on Yemen peace talks between Yemen’s warring factions, at the European headquarters of the United Nations, UN, in Geneva, Switzerland, Monday, June 15, 2015. U.N. chief Ban Ki-moon pressed Monday for a halt to fighting in Yemen at the beginning of Ramadan, which starts later this week, as the world body launched talks aimed at brokering peace. (Martial Trezzini/Keystone via AP)