Field Marshal Asim Munir, the army chief of Pakistan, arrived in Tehran on May 22, 2026, as part of ongoing mediation efforts to resolve the West Asia war that erupted following U.S. and Israeli strikes on Iran on February 28. Although a ceasefire was established on April 8, negotiations have stalled, with Iran's Foreign Ministry indicating that deep disagreements with the U.S. persist. Munir's visit, welcomed by Iranian officials, underscores Pakistan's role as the official mediator in the conflict, which has seen multiple countries attempting to facilitate peace talks. The U.S. Secretary of State Marco Rubio expressed optimism about Munir's involvement, highlighting the need for a strategic approach to the situation, particularly concerning the vital shipping lane of the Strait of Hormuz, which Iran has effectively closed in retaliation for the attacks. The humanitarian crisis continues to escalate, particularly in Lebanon, where Israeli airstrikes have caused significant casualties, further complicating the regional dynamics. The U.S. has also imposed sanctions on Hezbollah-linked individuals, marking a significant step in its efforts to influence the peace process.