A police officer looks for anti-government protesters from a scarred watchtower at a municipal building that has been into a police station in the western village of Karzakan, Bahrain, on Wednesday, Aug. 14, 2013. The tower and boundary walls are blackened from numerous petrol bomb attacks in the past. Opposition groups launched a fresh push against the Gulf monarchy on Wednesday, an effort to revitalize their 2 1/2-year-old pro-democracy uprising.