The UN chief’s special adviser on genocide prevention is warning of a “high risk of crimes against humanity and of genocide” in the Central African Republic.

The United Nations investigated more than 300 members of UN peacekeeping missions for alleged sexual exploitation and abuse during the past three years and more than half were fired or sent home, a senior UN official said.

South Korea’s foreign minister cemented his position as favourite to succeed UN Secretary-General Kofi Annan when he became the only candidate to escape a veto during an informal Security Council ballot.