According to the WHO on Friday, over 200 people mostly civilians have been killed, while about 1000 others are wounded.
Some 18000 people have been displaced.
UNICEF said that the violence has left about 7,300 children as refugees and migrants being held in detention centers are in serious danger.
It added that there are about 1800 children urgently needing to be evacuated from the combat zones.
It is estimated that about 500,000 children have been affected by violence across the western part of Libya since the country descended into chaos almost eight years ago.
UNICEF pointed out that 122,088 students cannot access their schools in Tripoli, adding that teaching teams are unable to access schools in the affected areas.
Meanwhile, Ahmed Mesmari, the spokesman of the Libyan National Army under warlord Kalifa Hafter, said that an armed group backing the National Accord Government that attacked the Timinhent Airbase in the southern Libyan city of Sebha has been repulsed.
He told a press conference on Friday that the army had defeated the attackers, killing 15 of them, retaking control of the base.
Fitghting has continued in the south of Tripoli for a fourteenth day on Friday with sporadic explosions and shootings.
The spokesman of the National Accord Government army, Mohamed Gnono said that its air force had carried out eight sorties on the positions of Khalifa Hafter's forces south of the city of Gharyan, Alwatya base, Janduba city and Sidi Sayah.