"During an overnight raid in the Persian Gulf nation of Bahrain, heavily armed riot police surrounded thousands of demonstrators as they slept in a central square in the nation’s capital. Rubber bullets, tear gas and concussion grenades were fired into the crowd without warning. At least four people were killed and hundreds injured. Some 60 people are reported missing. We hear from human right activist Nabeel Rajab outside a hospital in Manama where the wounded are being treated...."