Children receive food from a charity group in Hajjah province, Yemen, March 4, 2021. (Photo by Mohammed Al-Wafi/Xinhua)

A child receives food from a charity group in Hajjah province, Yemen, March 4, 2021. (Photo by Mohammed Al-Wafi/Xinhua)

Children wait to receive food from a charity group in Hajjah province, Yemen, March 4, 2021. (Photo by Mohammed Al-Wafi/Xinhua)

Children receive food from a charity group in Hajjah province, Yemen, March 4, 2021. (Photo by Mohammed Al-Wafi/Xinhua)

A man carries food from a charity group in Hajjah province, Yemen, March 4, 2021. (Photo by Mohammed Al-Wafi/Xinhua)