pSaudi aid convoys arrived from Saudi Arabia to multiple destinations in Yemen between January 22 and January 23.ppIn this footage, trucks with large signs reading King Salman Humanitarian Aid and Relief, a Saudi Arabian government organization, cross into Yemen at the Wadiah and Khadraa crossings.ppAdditionally, cargo planes took off from Riyadh toward the airport in Marib. Photos show pallets and boxes being loaded onto the plane.ppThe United Nations estimatesa 22 million people in Yemen are in need of aid, and another 7 million people relied solely on humanitarian aid for their survival in November 2017, the United Nations saida.ppThree million Yemeni children live without sufficient food, clean water or medical care, accordinga to a UNICEF report in January.