U.S.-Iran Diplomacy Tensions Escalate
He called the counter-proposal a continuation of 'games' by Iran.
Iran's counter-offer via Pakistani mediators aims to end regional conflicts and demand sanctions lifted.
U.S. proposal includes ending conflict, reopening Hormuz, scaling back Iran's nuclear program.
Iran is restricting Hormuz traffic, U.S. has blockaded ports and attacked oil tankers.
Tehran warns of retaliation and pledges to protect uranium facilities.
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