** FILE ** Togolese security forces fire tear gas as they attempt to disperse thousands of angry opposition protesters and anti-government militants on the first day of a planned three-day rally in central Lome, Togo, on Tuesday, Aug. 21, 2012. The demonstrators set fire to tires, threw rocks and erected street barricades as they rallied to protest new electoral rules, perceived to favor the ruling party. (AP Photo/Erick Kaglan)

Photo by: Erick Kaglan

** FILE ** Togolese security forces fire tear gas as they attempt to disperse thousands of angry opposition protesters and anti-government militants on the first day of a planned three-day rally in central Lome, Togo, on Tuesday, Aug. 21, 2012. The demonstrators set fire to tires, threw rocks and erected street barricades as they rallied to protest new electoral rules, perceived to favor the ruling party. (AP Photo/Erick Kaglan)