Trump, in his less diplomatic style, has repeated Biden’s warning, albeit in much more colorful language. He told reporters in the Oval Office in February that he had “left instructions” for what should happen if he is murdered by Iran. “If they do it, they get obliterated,” the president said. “There will be nothing left.”

Since the outbreak of the Israel-Iran war - now halted by a ceasefire - Iranian dissident groups inside and outside of the country have been watching for signs that the government in Tehran might falter.

Iranian Kurdish dissidents have been watching from abroad for signs that the government in Tehran might falter after the 12-day Israel-Iran war