KABUL (AFP) — Afghanistan was Monday investigating how militants could get within 500 metres of President Hamid Karzai and other top leaders to carry out a brazen attack that left three Afghans dead. The insurgent Taliban movement said it launched Sunday’s attack to show it had the power to strike even the nation’s biggest annual military parade.The event, which was supposed to showcase the Afghan army’s growing strength after getting new training and equipment, mainly from the United States, had been weeks in the making with stepped-up patrols and roadblocks around Kabul. MORE