A Civil Defense officer monitors air quality in a parking lot in Makkah, Thursday. The Directorate General of Civil Defense has deployed 51 units for preventive measures against any contingency in Makkah and Madinah for the safety of Umrah pilgrims and visitors during the last 10 days of the holy month. Thirty-five of these units are in Makkah and 16 are in Madinah. — SPA