Pakistan, Oct. 31 -- Pakistan is "cautiously optimistic" about its mediation between Iran and the United States, the military's spokesman said on Friday in his first interview since a high-level delegation visited Tehran this week.

Chief of Defence Forces and Chief of Army Staff Field Marshal Asim Munir has been to Tehran twice this month, most recently on Monday alongside Saudi and Turkish officials.

"Why would the Field Marshal be going twice if it is not for some positivity? So yes, of course," Inter-Services Public Relations (ISPR) Director General Lieutenant General Ahmed Sharif Chaudhry said when asked whether the trips were a positive sign.

"The word that we would use is always cautiously optimistic," added Lt Gen Chaudhry.

The...