The King Salman Humanitarian Aid and Relief Center's (KSrelief) Masam Project, dedicated to clearing mines in Yemen, dismantled 513 mines in various regions during the fourth week of March, reported the Saudi Press Agency on Monday. The mines included 420 unexploded ordnances, 86 anti-tank mines, six explosive devices and one anti-personnel mine. A total of 436,376 mines have been cleared since the start of the project.