QATIF – Prince Saud Bin Naif, emir of the Eastern Province, said that Custodian of the Two Holy Mosques King Salman has ordered to extend urgent treatment to all those injured in Friday's Qatif mosque attack. He was speaking to reporters after visiting the victims at Qatif Central Hospital on Saturday. Prince Saud said King Salman, Crown Prince Muhammad Bin Naif, deputy premier and minister of interior, and Deputy Crown Prince Muhammad Bin Salman, second deputy premier and minister of defense, are closely following the case of the victims. He said the perpetrators of the heinous crime wherever they are will be brought to book. "There will be stern action against those who committed such a gruesome crime at a sacred place on a blessed day,” he added. Minister of Health Khaled Al-Falih and senior health officials in the Eastern Province accompanied Prince Saud during the visit.