ISAF says 25 % of the total U.N. security incidents are not on its list . U.N. figures include ` ` all incidents regardless of which country initiates the activity , '' ISAF says . ISAF says Pakistan 's security is a security challenge . -- NATO says a new report by the United Nations that points to a spike in violence in Afghanistan differs from the alliance 's tally because `` security incidents '' were defined differently . The U.N. also says monthly security incidents are up 39 % 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 country initiates the activity , '' ISAF says . ISAF says Pakistan 's security is a security challenge . The U.N. also says monthly security incidents are up 39 % in 2011 .