Tensions escalate as Mohammad Bagher Ghalibaf warns the United States over new troop deployments following reports of clashes involving the USS Abraham Lincoln carrier group in the Persian Gulf. Iran signals close monitoring of U.S. military movements while rejecting ceasefire proposals as insincere. Meanwhile, Donald Trump orders additional forces into the region, raising fears of further escalation. As both sides harden positions, the situation underscores growing risks of a wider Middle East conflict and heightened geopolitical instability.