Description:Gunfire erupted in Kabul early Monday (April 16) as insurgents and security forces continue fighting. On Sunday (April 15) Afghanistan's Taliban launched a "spring offensive" with multiple attacks targeting the NATO force's headquarters, the parliament building, Western embassies. The assault, one of the most serious on the capital since U.S.-backed Afghan forces removed the Taliban from power in 2001, highlighted the ability of militants to strike the heavily guarded diplomatic zone.(1:05)