Washington DC, March 31 -- Pakistan's Ambassador to the US, Rizwan Saeed Sheikh, in an interview with Fox News has said that the efforts to facilitate US-Iran peace talks are underway, but cautioned that the process will be complex and time-consuming.

Speaking on the network's programme "Special Report", Sheikh highlighted initial confidence-building measures as a step towards negotiations.

"And in terms of the who exactly dealing part we are dealing with is the fact that the confidence-building measure demonstrated in movement of ships that were allowed, eight in the first instance and now another twenty in the second instance, is not just a concept of operation, but a proof of concept that has been implemented to induce confidence in ...