Cairo criminal court adjourned Monday the trial of Mohamed Al Zawahri, brother of Al Qaeda's leader Ayman Al Zawahri, and 68 other defendants until June 16 in the case publicly known as 'Al Zawahri cell case', Al Bawaba News reported. The defendants face charges of forming a terrorist group affiliated to Al Qaeda, assaulting policemen, civilians and public property as well as endangering the safety and unity of the society.