<h3>Overview</h3>
<p>The <span class="key-term" data-definition="U.S. Secretary of State — senior U.S. official responsible for foreign affairs; relevant to GS2: Polity and International Relations">U.S. Secretary of State</span> <strong>Marco Rubio</strong> said on <strong>21 May 2026</strong> that Pakistani envoys travelling to Tehran could push the stalled negotiations on the <span class="key-term" data-definition="Ceasefire — a temporary suspension of hostilities agreed by warring parties; important for GS2: Polity and GS3: Economy as it affects stability and trade">Ceasefire</span> between Iran and Israel forward. The remarks came after a series of failed talks in Islamabad and growing pressure on President <strong>Donald Trump</strong> to secure a durable settlement.</p>
<h3>Key Developments</h3>
<ul>
<li>Rubio expects Pakistani mediators to reach Tehran on 21 May 2026, hoping to revive talks.</li>
<li>Pakistan’s interior minister <strong>Mohsin Naqvi</strong> visited Iran for the second time in a week; army chief <strong>Asim Munir</strong> may follow.</li>
<li>China’s prime minister <strong>Shehbaz Sharif</strong> is scheduled to travel to Beijing on 23 May 2026, adding a third diplomatic track.</li>
<li>President Trump warned that the situation is “right on the borderline” and that Tehran must give “100 % good answers” for a quick deal.</li>
<li>Rubio criticised <span class="key-term" data-definition="NATO — North Atlantic Treaty Organization, a military alliance of 31 countries; its stance on conflicts is relevant to GS2: International Relations">NATO</span> allies for not taking any concrete action against Iran.</li>
<li>Iran’s chief negotiator <strong>Mohammad Bagher Ghalibaf</strong> warned of a “forceful response” if attacked, while Tehran seeks release of frozen assets and an end to the <span class="key-term" data-definition="US Naval Blockade — restriction of maritime traffic by the United States to pressure a nation; a tool of coercive diplomacy examined in GS2">US Naval Blockade</span>.</li>
</ul>
<h3>Important Facts</h3>
<ul>
<li>The <span class="key-term" data-definition="Ceasefire — a temporary suspension of hostilities agreed by warring parties; important for GS2: Polity and GS3: Economy as it affects stability and trade">Ceasefire</span> signed on <strong>8 April 2026</strong> halted open combat but did not reopen the <span class="key-term" data-definition="Strait of Hormuz — narrow waterway between Oman and Iran through which about 20 % of global oil passes; strategic chokepoint studied in GS2 and GS3">Strait of Hormuz</span>.</li>
<li>Iran’s new Hormuz authority claims control up to Emirati waters, prompting a rebuke from Abu Dhabi.</li>
<li>Hormuz handles roughly a third of global fertiliser shipments, so a prolonged closure could raise food prices.</li>
<li>In Lebanon, Israeli strikes have killed at least <strong>3,089</strong> people since 2 March 2026; the United States sanctioned nine Hezbollah‑linked individuals on
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