An air strike which killed more than 44 migrants at a detention centre on the outskirts of the Libyan capital Tripoli may amount to a war crime, the UN says.
More than 130 people were injured in the strike, blamed on forces led by warlord Gen Khalifa. His troops accuse the government of the attack.
Most of the dead are believed to be sub-Saharan Africans, attempting to reach Europe from Libya by sea.
Thousands of migrants are held in government-run detention centres.
The country has been torn by violence and division since long-time ruler Muammar Gaddafi was deposed and killed in 2011.
What do we know about the attack?
The head of the United Nations Mission in Libya, Ghassan Salama, expressed his shock at the attack inside a hangar at the Tajoura Detention Centre.
Tajoura houses some 600 migrants.
Women and children were among those hit, Guma El-Gamaty, a member of the UN-backed political dialogue group, told BBC World Service.
An official in the Libyan health ministry, Doctor Khalid Bin Attia, described the carnage for…
