Boys react as they wait to have their food at a Charity Kitchen, during the holy month of Ramadan in Sanaa, Yemen May 10, 2019. A bag of rice and some bread is all Salwa Abdelkarim receives from a charity in the Yemeni capital Sanaa for her seven-member family to share after sundown in the Muslim fasting month of Ramadan. REUTERS/Mohamed al-Sayaghi

A worker prepares food at a Charity Kitchen, during the holy month of Ramadan in Sanaa, Yemen May 10, 2019. A Sanaa-based kitchen run by a local aid agency offers rice and bread to Yemeni families in need. REUTERS/Mohamed al-Sayaghi

Workers prepare food at a Charity Kitchen, during the holy month of Ramadan in Sanaa, Yemen May 10, 2019. REUTERS/Mohamed al-Sayaghi

Volunteers hand out iftar meals at a food distribution center during the holy month of Ramadan in Sanaa, Yemen May 8, 2019. REUTERS/Khaled Abdullah

A girl looks inside a charitable bakery, during the holy month of Ramadan in Sanaa, Yemen May 9, 2019. REUTERS/Mohamed al-Sayaghi

Girls receive iftar meals from a food distribution center during the holy month of Ramadan in Sanaa, Yemen May 8, 2019. REUTERS/Khaled Abdullah