Iran expanded its attacks to Oman and the United Arab Emirates, a major escalation amid the collapse of the memorandum of understanding.

The IRGC declared the strait will be "closed until further notice."

The U.S. attacked Iran on Sunday over an Iranian strike on a container ship in the Strait of Hormuz that set it ablaze and left a crew member missing.

Iran announced it was again closing the Strait of Hormuz on Sunday and hit Gulf neighbours in retaliation for US strikes, further undermining efforts to salvage Middle East peace…