Taliban Step Up Urban Assaults

Taliban Step Up Urban Assaults, Testing the Mettle of Afghan Forces - The Boston Globe: 

As the insurgents have been grabbing stretches of territory in Afghanistan’s border provinces, the quick guerrilla assaults have been nicknamed “complex attacks” here. They have kept residents of Kabul and other major Afghan cities on edge. The Taliban’s intended message is clear: We waited out the Americans, and now can strike at will — even through the “ring of steel” cordon of security around Kabul.