![In this Feb. 1, 2018 photo, a Saudi soldier guards an aid flight at an air base in Marib, Yemen. Saudi Arabia under King Salman and Crown Prince Mohammed bin Salman has replaced its military chief of staff and other defense officials amid its stalemated war in Yemen early Tuesday, Feb. 27, 2018. (AP Photo/Jon Gambrell)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SNOJ5QMMGLSE5J6DVVXBOOF52Y.jpg?smart=true&auth=3ec6f0b9e4631c0a1781ce834e3649590bb553cd227ff68ecbb27907f616d5fb&width=400&height=225)
A Saudi soldier guards an aid plane at an air base in Marib, Yemen. A multi-million dollar agreement was signed between the refugee agency UNHCR and the King Salman Humanitarian Aid and Relief Centre in support of Yemen's internally displaced persons. Jon Gambrell / AP
A Saudi soldier guards an aid plane at an air base in Marib, Yemen. A multi-million dollar agreement was signed between the refugee agency UNHCR and the King Salman Humanitarian Aid and Relief Centre Show more
Saudi Arabia increases aid effort in Yemen
More than 20 million people in need of humanitarian assistance
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The National
28 February, 2018
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