AFGHANISTAN-UNREST-BLAST

Afghan Crisis Response Unit (CRU) members run on the top of the roof of the Kabul police headquarters during a clash between Afghanistan forces and Taliban fighters in Kabul on January 21, 2013. Three police officers and three suicide bombers have been killed in an ongoing attack on a police complex in the Afghan capital Kabul, which has already lasted more than six hours, officials said. NATO troops joined a fight against a Taliban suicide squad that stormed a Kabul police headquarters, unleashing a stand-off that lasted for more than five hours. AFP PHOTO/ Massoud HOSSAINI (Photo by MASSOUD HOSSAINI / AFP) (Photo by MASSOUD HOSSAINI/AFP via Getty Images)