Libyan Field Marshal Khalifa Haftar, left, House of Representatives speaker Aguila Saleh, centre, and GNA Prime Minister Fayez Al Sarraj attend a peace conference hosted by France in May 2018. AFP
Libyan Field Marshal Khalifa Haftar, left, House of Representatives speaker Aguila Saleh, centre, and GNA Prime Minister Fayez Al Sarraj attend a peace conference hosted by France in May 2018. AFP

Libya's rival governments issue calls for ceasefire