Saudi newspapers highlighted in their editorials today a number of local and international issues. The following are the main headlines of Saudi newspapers: - The Custodian of the Two Holy Mosques approves re-evaluation of some theoretical and scientific qualifications to match equivalent scientific degrees in terms of rank. - Crown Prince Salman chairs meeting of the Board of Directors of Saudi Food and Drug Authority. - The implementation of Riyadh Metro starts in 5 locations ... The project will be delivered in 48 months. - The Ministry of Health announces health requirements that must be met by Umrah and Hajj performers. - Syrian opposition accused Al-Assad of launching a new gas attack. - Lebanon: The number of Syrian refugees reached one million. - Southern Sudan on the brink of the worst famine in Africa. - Israel cancels the release of Palestinian prisoners. - Tunisian authorities adopts a policy of drying the sources of terrorism. - Washington warns Russia against using energy to punish Ukraine.