TOPSHOT - A Yemeni motorcyclist rides past burning tyres in a street during a protest against inflation and the rise of living costs in the southwestern Yemeni city of Taez on October 2, 2018. - UN Office for the Coordination of Humanitarian Affairs warned last month that the currency depreciation was likely to make another 3.5 million Yemenis food insecure, in addition to 8.4 million people who already need emergency food assistance. (Photo by Ahmad AL-BASHA / AFP)