Yemeni sanitation workers, wearing protective gear, spray disinfectant in a neighbourhood in the northern Hajjah province on May 31, 2020, amid the coronavirus pandemic. AFP
Yemeni sanitation workers, wearing protective gear, spray disinfectant in a neighbourhood in the northern Hajjah province on May 31, 2020, amid the coronavirus pandemic. AFP

UK pledges £160m in Yemen aid before donor conference