Cairo, Sha'ban 1, 1436, May 19, 2015, SPA -- UN Special Envoy for Yemen Ismail Ould Cheikh Ahmed is set to meet tomorrow with Arab League Deputy Secretary General Ahmed bin Hilli. The UN official will discuss the latest developments in Yemen, review the outcomes of Riyadh conference and coordinate efforts between the two bodies to back the political solution and humanitarian endeavors. --SPA 19:53 LOCAL TIME 16:53 GMT www.spa.gov.sa/w