The pause in fighting has faced difficulties, with Iran restricting traffic through the Strait of Hormuz, a strategic waterway key to the global flow of oil, and the U.S. imposing a blockade of Iranian ports.

Iran has sent its response to the latest U.S. ceasefire proposal via Pakistani mediators and wants negotiations to focus on permanently ending the war, Iran’s state-run media said Sunday. Pakistan confirmed receiving it.

Iran has sent its response to the latest US proposal for ending the conflict that began at the end of February, according to state media. Follow for live updates.

The White House had no immediate comment about Iran’s reply but U.S. President Donald Trump on social media accused Tehran of “playing games” with the United States for nearly 50 years, adding: "They will be laughing no longer!

Iran has warned its Gulf neighbours that complying with US sanctions would lead to their ships face difficulties crossing the Strait of Hormuz. Military spokesman Mohammad Akraminia said vessels passing through the vital trade route would face "severe consequences" if they did not co-operate with Tehran first,

Iran's Revolutionary Guard navy on Saturday warned that any attack on Iranian oil tankers or commercial vessels would be met with a “heavy assault” on one of the U.S. bases in the region and enemy ships.

A U.S.-mediated ceasefire between Russia and Ukraine appeared under serious strain on Sunday, with both sides trading blame for weekend attacks.

The British military says a ship caught fire after being hit by an unknown projectile off the coast of Qatar DUBAI, United Arab Emirates (AP) — The British military said a ship caught fire Sunday after being hit by an unknown projectile off the coast of Qatar.