 By the late 1970s, the Eritrean People's Liberation Front (EPLF) had become the main rebel group in Eritrea after defeating the ELF with help of the Tigrayan People's Liberation Front (TPLF).After another decade of war, in May 1991 the Ethiopian government in Eritrea was overthrown by the EPLF and the TPLF.A strategic relationship between the new government of Eritrea and Israel was formed when Eritrea's President Isaias Afewerki travelled to Israel for medical treatment in 1993.