The United States is examining ways to mitigate any Pakistani retaliation as it piles pressure on Islamabad to crack down on militants, a senior US official said on Friday, cautioning that US action could extend beyond a new freeze in aid.
Pakistan is a crucial gateway for US military supplies destined for US and other troops fighting a 16-year-old war in neighbouring, landlocked Afghanistan.
So far, the Pentagon says Pakistan has not given any indication that it would close its airspace or roads to military supplies and US Defence Secretary Jim Mattis played down concerns on Friday.
But Washington has only just