Ugandan diplomat Otunnu joins race to become next UN head

Ugandan diplomat ​Olara Otunnu has joined the contest to become the next secretary-general of ‌the United Nations, the seventh contender to succeed Antonio Guterres when he steps down at the end of this year.

General Assembly and Security Council.

Experts say ​the key to success will be to avoid a veto by one of the five permanent members of the ​Security Council, particularly China, Russia or the United States.