A fighter of the UN-backed Government of National Accord (GNA) is seen in a destroyed house at Ain-Zara frontline in Tripoli, Libya, March 20, 2020. (Photo by Amru Salahuddien/Xinhua)

A fighter of the UN-backed Government of National Accord (GNA) is seen at Ain-Zara frontline in Tripoli, Libya, March 20, 2020. (Photo by Amru Salahuddien/Xinhua)

Fighters of the UN-backed Government of National Accord (GNA) load a machine gun at Ain-Zara frontline in Tripoli, Libya, March 20, 2020. (Photo by Amru Salahuddien/Xinhua)

A fighter of the UN-backed Government of National Accord (GNA) observes movement of Libyan National Army (LNA) forces at Ain-Zara frontline in Tripoli, Libya, March 20, 2020. (Photo by Amru Salahuddien/Xinhua)