Armed personnel in support of the UN-backed Libyan government are seen in Tripoli, Libya, April 25, 2019. Tripoli is witnessing armed conflict between the UN-backed government and the east-based army over control of the city. The east-based army, led by Khalifa Haftar, has been leading a military campaign since early April to take over Tripoli from the government. The fighting has so far killed more than 260 people, injured more than 1,200 others, and forced more than 20,000 people to flee their homes, according to the World Health Organization. (Xinhua/Hamza Turkia)

Armed personnel in support of the UN-backed Libyan government are seen in Tripoli, Libya, April 25, 2019. Tripoli is witnessing armed conflict between the UN-backed government and the east-based army over control of the city. The east-based army, led by Khalifa Haftar, has been leading a military campaign since early April to take over Tripoli from the government. The fighting has so far killed more than 260 people, injured more than 1,200 others, and forced more than 20,000 people to flee their homes, according to the World Health Organization. (Xinhua/Hamza Turkia)

Armed personnel in support of the UN-backed Libyan government are seen in Tripoli, Libya, April 25, 2019. Tripoli is witnessing armed conflict between the UN-backed government and the east-based army over control of the city. The east-based army, led by Khalifa Haftar, has been leading a military campaign since early April to take over Tripoli from the government. The fighting has so far killed more than 260 people, injured more than 1,200 others, and forced more than 20,000 people to flee their homes, according to the World Health Organization. (Xinhua/Hamza Turkia)

Armed personnel in support of the UN-backed Libyan government are seen in Tripoli, Libya, April 25, 2019. Tripoli is witnessing armed conflict between the UN-backed government and the east-based army over control of the city. The east-based army, led by Khalifa Haftar, has been leading a military campaign since early April to take over Tripoli from the government. The fighting has so far killed more than 260 people, injured more than 1,200 others, and forced more than 20,000 people to flee their homes, according to the World Health Organization. (Xinhua/Hamza Turkia)