The head of United Nations peacekeepers has warned of a “crisis” in the Horn of Africa, as UN troops started to leave Eritrea after being ordered out. Almost 90 western troops are leaving Eritrea. Jean-Marie Guehenno said he had never experienced a similar situation in 10 years in the job. He has been in Eritrea since Monday in a bid to solve the problems but was not able to meet President Isaias Afewerki. Full Story