rome egyptian billionaire businessman naguib sawiris condemn friday crackdown graft saudi arabia say purge undermine rule law kingdom would deter investment unusually outspoken comment sawiris well-known business figure north africa middle east also accuse qatar destabilize region say handful arab nations safe invest saudi security force round dozens members country political business elite last month order crown prince mohammed bin salman bill war rampant corruption sawiris whose family orascom businesses interest range construction telecommunications say influential figure stand crown prince refer young man need tell rule law order transparent process court evidence judge tell conference rome question crown prince motives part get money system say prince mohammed say saudi arabia need modernize warn without reform economy sink crisis could fan unrest critics say purge aim shore power base saudi government deny sawiris say everyone conscience speak add many frighten everyone scar interest oil money need conscience say know done-for saudi arabia business ok care monthly reuters poll publish thursday show middle east fund managers become positive towards saudi arabian equities initial market sell-off follow launch anti-graft drive sawiris know major investments saudi arabia predict business leaders would steer clear country future think happen saudi arabia one invest say sawiris also take aim iran accuse country interfere affairs neighbor likewise denounce qatar say fund terror group take care prosperity people instead finance crazy clergymen push young men go kill say group arab nations lead saudi arabia egypt cut tie qatar june accuse foment instability qatar tiny gulf state deny support militants ask safe invest arab world sawiris mention egypt morocco tunisia jordan sudan jokingly dismiss lebanon problem lebanon shark leave nothing anyone crazy person would invest lebanon say egyptian billionaire denounce saudi corruption crackdown