US president gives clearest signal yet that he might take military action against Tehran over killing of demonstrators

• Iran crisis live – latest updates

Donald Trump has told Iranians to keep protesting and said help was on the way, in the clearest sign yet that the US president may be preparing for military action against Tehran.

“Iranian Patriots, keep protesting – take over your institutions!!! … help is on its way,” Trump said in a post on Truth Social on Tuesday, a day after the White House press secretary said airstrikes were among “many, many options” the US president was considering.

Russian leader’s rejection of latest peace proposal was predictable and shows the Kremlin continues to hold the trump card

Before the harsh white glare of the Kremlin reception room came a telling prologue: Steve Witkoff and Jared Kushner, Donald Trump’s self-described “deal guys”, being led by Kremlin officials through the sparkling streets of a festive Moscow.

Wasn’t it lovely, Vladimir Putin asked later, as both sides sat down to a five-hour negotiation that seems to have led right back to where they started. “It’s a magnificent city,” Witkoff replied. Then the cameras cut out.