(FILES) In this file photo taken on January 11, 2017 Yemeni pro-government forces patrol during clashes against Shiite rebels in Yemen's western Dhubab district, about 30 kms (20 miles) north of the strategic Bab al-Mandab Strait. UN launches new talks on September 3, 2018, in Geneva to end the "dirty war" in Yemen, a forgotten conflict causing the worst humanitarian crisis in the world. But an agreement seems far away such the animosity between belligerents is huge. / AFP / SALEH AL-OBEIDI