ISAF says 39 % of the total U.N. security incidents are not on its list . U.N. figures include `` all incidents regardless of which entity initiates the activity , '' ISAF says . U.N. says Kandahar 's east remains a security challenge . The U.N. report says 2011 security incidents are up 25 % in 2011 .
ISAF says 25 % of the total U.N. security incidents are not on its list . U.N. figures include `` all incidents regardless of which entity initiates the activity , '' ISAF says . ISAF says Afghanistan 's east remains a security challenge . The U.N. report says monthly security incidents are up 39 % in 2011 .