A gunman opened fire at a Shi'ite mosque in Saudi Arabia, killing three and wounding more.
The incident occurred at the Imam Reza Mosque, in the eastern city of al-Munaizilah. A witness, Mohammed al-Nimr, told Associated Press that the attacker was wearing a suicide vest, but that worshipers prevented him from setting it off.
Mohammed al-Nimr is the brother of Sheikh Nimr al-Nimr, who was recently executed by the Saudi Arabian government.