Cairo, Dhul-Hijjah, 20 1438,September 11, 2017, SPA -- Four members of the Egyptian police were killed and three others wounded today when a roadside bomb targeting a security force in the northern city of Arish explosed. An Egyptian security source said in a statement that there was an exchange of fire between the security force elements and a number of militants in the vicinity of the site of explosion. --SPA 16:46 LOCAL TIME 13:46 GMT www.spa.gov.sa/w485124