ISLAMABAD, Jan 25 (INP) Pakistan says there has been no understanding with the US allowing action by American forces in Waziristan and Kurram Agency stressing that Washington must provide information about terrorists presence and Islamabad would itself take action. Answering question during briefing Thursday about drone strike in Kurram Agency, foreign office spokesman Dr Muhammad Faisal reiterated that as Pakistan believes in importance of active intelligence sharing; such unilateral actions are detrimental to spirit of cooperation between United States and Pakistan. INP/AH