Hundreds of Saudis have taken to the streets in the eastern province of al-Ahsa, demanding the immediate release of a senior Shia cleric.
The peaceful protest rally, dubbed the 'Day of Rage,' which condemned the Saudi government's detention of Sheikh Tawfiq al-Amer, was held in al-Hufuf district following the Friday Prayers.
http://aljazeera.com/news/articles/34/Anti-govt-protests-held-in-Saudi-Arabia.html