Drones of unknown origin struck a trade vessel off the coast of Qatar on Sunday as tensions with Iran threaten to end a fragile ceasefire between Tehran and the U.S.

Fresh maritime threats: Iran threatened Gulf states over US sanctions compliance after a ship was hit near Qatar and drones were intercepted in UAE and Kuwait. Ceasefire under strain: The incidents follow a US-Iran naval clash in the Strait of Hormuz ...

Iran launched attacks on the UAE and tankers in the Strait of Hormuz while the U.S. destroyed Iranian boats "that attempted to interfere" with Project Freedom.

A fire aboard a docked boat in the Al Jaddaf area of Dubai triggered panic after thick smoke spread across the skyline, sparking rumours of an attack.

Iran claimed Thursday that it struck U.S. military assets in the Strait of Hormuz after an alleged American attack on an Iranian tanker. U.S. Central Command refuted the claims, saying that American warships intercepted Iranian missiles, drones and small boats during a transit operation and that no U.S. assets were hit.

The U.S. military said it fired on Iranian forces and sank six small boats as it moved to reopen the Strait of Hormuz on Monday. The United Arab Emirates said it had come under attack from Iran.

Iran’s foreign minister accused Washington of undermining diplomacy. Secretary of State Marco Rubio said the U.S. expected to hear from Tehran on Friday.

US President Donald Trump on Sunday branded Iran's terms for ending the Middle East war "totally unacceptable," raising the likelihood of renewed conflict after weeks of negotiations.Iran had responded to Washington's latest peace proposal earlier in the day,

The Middle Eastern nation previously said Mojtaba Khamenei was suffering from a 'small scratch behind the ear' despite reports claiming he had undergone facial surgery.