A Libyan fighter loyal to the Government of National Accord fires a machine gun at forces loyal to strongman Khalifa Haftar south of Tripoli, on April 10, 2019. AFP
A Libyan fighter loyal to the Government of National Accord fires a machine gun at forces loyal to strongman Khalifa Haftar south of Tripoli, on April 10, 2019. AFP

UN chief urges ceasefire to avert 'bloody battle' for Tripoli