A Yemeni pushes a tricycle with empty cooking gas cylinders for gas supplies at a street amid a cooking gas shortage, in Sana'a, Yemen, 19 March 2022. The UN and aid groups have warned of grave consequences for war-torn Yemen after an international donors conference failed to meet Yemen's massive humanitarian funding shortfall, pledging nearly 1.3 billion US dollar out of 4.27 billion US dollar needed to prevent a humanitarian catastrophe in the war-torn country for 2022. - EPA Photo