The Saudis, citing "unrest in the region", pressuring Egyptians to avoid harsh treatment of Mubarak

"... Alarmed by the calls for Mr. Mubarak’s prosecution,  the Saudi royal family has for weeks urged Egypt’s current military rulers to avoid harsh treatment, fearing that it could intensify unrest in the region, according to Saudi officials and a Western diplomat. Some argue that watching Mr. Mubarak endure the humiliation of a criminal trial and potential conviction could harden the resolve of embattled leaders like Bashar al-Assad of Syria and Ali Abdullah Saleh of Yemen to hang on to power at any cost. But organizers of the Tahrir Square demonstrations that ousted Mr. Mubarak have called for a new protest Friday to urge, among other things, swifter prosecution of the former president. Some argued that the military council was capitulating..."