Pakistan's Army chief Asim Munir will visit Tehran on Monday to discuss bilateral and regional issues, Iran's foreign ministry announced on Sunday.Pakistan has so far not commented on Munir's Tehran visit. (AP Photo)The visit comes at a time when Islamabad is actively pushing to revive its mediation efforts in the stalled US-Iran peace negotiations.An interim peace agreement, which Pakistan signed as a guarantor, derailed last month as tensions escalated in West Asia with the US and Iran resuming military strikes.Pakistan Interior Minister Mohsin Naqvi also held talks with Iran's President Masoud Pezeshkian and Foreign Minister Abbas Araghchi in Tehran earlier this month.Also Read: Iran admits facing 'many problems' amid Trump's 'economic' warfare, says MoU with US best way out of conflictOn Sunday, Iran's foreign ministry spokesperson Esmaeil Baghaei told reporters that Field Marshal Munir will be accompanied by a delegation which will hold high-level talks with the Iranian leadership.Baghaei further said the visit is aimed at strengthening bilateral cooperation between Iran and Pakistan, as well as continuing Pakistan's efforts to help promote peace and security in the region.However, Pakistan has so far not commented on Munir's Tehran visit.Also Read: Trump calls Hormuz ‘new US territory’, shares map as Iran talks remain stalledThe visit, however, is widely perceived to be a follow up on the stalled Memorandum of Understanding (MoU) signed in June by the US and Iran, aimed at opening a 60-day window for high-level talks aimed at restoring peace in West Asia.But the talks collapsed after tensions between the two sides escalated again in mid-July.Pakistan's efforts to revive the talks have so far failed to yield results.The key sticking point is the Strait of Hormuz, where shipping has been disrupted because of the war that started on February 28 after the US and Israel launched joint attacks on Iran, triggering retaliatory strikes. Roughly a fifth of the world's total energy supplies passed through the Gulf chokepoint in normal times.Also Read: ‘US put allies at risk for Israel’: Iran says neighbours seek security, economic cooperation amid West Asia conflictIranian President Pezeshkian on Sunday defended the MoU as the best way for the country to move beyond what he described as a situation of "neither war nor peace", while the hard-line new leader of Iran's Supreme National Security Council, Mohsen Rezaei, threatened Tehran's neighbours against joining the new US effort to hurt Iran's economy.On August 20, US President Donald Trump had said he would go for what he called the "most crushing economic operation" against Iran if Tehran failed to strike a deal.