An al Qaeda affiliate and Tuareg rebels claimed responsibility on Saturday for coordinated attacks across Mali, in one of the boldest operations insurgents have mounted in their campaign against the military-led government.Mali's army said in a statement it had killed "several hundred" assailants and repelled the assault, which hit multiple sites in or near the capital, Bamako. It said a large-scale sweep operation was underway in Bamako, the nearby barracks town of Kati and elsewhere in the gold-producing country.It was unclear how many soldiers or civilians were killed in the attacks. In a statement read out on state television on...