Pak-Afghan tension won't help peace, US warns Pakistan.

ISLAMABAD -- The United States has warned Pakistan that tension with Afghanistan will not be helpful for peace in the region, officials said.

Senior officials at the foreign ministry told The Nation on Friday that the US was perturbed over the 'cold war' between Pakistan and Afghanistan, damaging the peace talks with Taliban.

'The US obviously wants result oriented dialogue with the (Afghan) Taliban. They believe Pakistan has a role to play (in the negotiations),' said one official.

He said Washington had warned that the continuation of the tension could be dangerous for the peace efforts. Another official said Pakistan had made it clear to the US that Afghanistan was not serious in peace efforts and was creating hindrance in US-Taliban talks.

'They (Afghanistan) have openly opposed our role and most of the times they have created misunderstandings about our role. We want to play a role and will continue our efforts for peace,' he added.

Earlier, Pakistan pulled out of the US-Taliban talks - to be held in Doha, Qatar, next month.

So far the US and Taliban officials have held several rounds of talks in the Qatar capital in a bid to end the 18-year long war in Afghanistan.

Last week, Zalmay Khalilzad, the US special representative for Afghanistan...