NATO chief praises work of Afghan security forces , says overall violence has fallen . The Taliban kill a provincial council candidate and nine supporters , police say . The Taliban have claimed responsibility for that attack . - Pakistan announces it will send troops to Afghanistan in the coming weeks as part of an international force that includes U.S. special operations forces. The Taliban have vowed to disrupt April 5 elections and punish those involved in them .
NATO chief praises work of Afghan security forces , says overall violence has fallen . The Taliban kill a provincial council candidate and nine supporters , police say . - Pakistan announces it will send troops to Afghanistan in the coming weeks as part of an international force that includes U.S. special operations forces. The Taliban have vowed to disrupt April 5 elections and punish those involved in them .