ISLAMABAD: Another major attack on American interests in Afghanistan by Pakistan-based militant groups would greatly damage the alliance with Islamabad, a senior US official said Tuesday.

The official was voicing Washington’s frustrations with Pakistan and its failure to tackle safe havens in its territory that militant groups such as the Haqqani network use to launch attacks against NATO forces in Afghanistan.

http://tribune.com.pk/story/289038/major-attack-would-damage-pakistan-alliance-official/