IS the fragile US-Iran ceasefire — and the memorandum of understanding that underpins it — collapsing? Unless deconfliction measures kick in, and both sides show restraint, a return to wider hostilities seems very likely. The latest round of violence was sparked by suspected Iranian attacks on vessels in the Strait of Hormuz; the ships were apparently targeted because they were not following routes designated by Tehran. The US retaliated by attacking Iranian facilities early on Wednesday, prompting Tehran to hit sites in Kuwait and Bahrain that it claimed were US facilities. But what has raised eyebrows is US President Donald Trump’s comment that the MoU with Iran is over, and that talks........

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