The security spokesman of the Interior Ministry said that further to a previous announcement that a person blew himself up using an explosive belt among worshipers in Najran's Al-Mash'had mosque after Almaghreb (sunset) prayers on Monday, verification measures of the identity of the perpetrator of this heinous crime revealed that he is citizen Saad Saeed Saad Al-Harthy who was born on 10.11.1402 H.