41.   Earlier Sunday, northern warplanes attacked Aden oil refinery setting two storage containers on fire, according to officials at the facility which supplies fuel to southern forces.

42.   The battle was fought out under an apocalyptic sky, black with oil smoke from vast storage containers around the city repeatedly bombed by Russian airplanes.

43.   The battle was fought out under an apocalyptic sky, black with oil smoke from vast storage containers at refineries around the city repeatedly bombed by Russian warplanes.