US President Donald Trump speaking during a news conference in the White House in Washington, DC, US [Tom Brenner/Reuters]
“Upon information and belief, Iran or its proxies are planning a sneak attack on US troops and/or assets in Iraq. If this happens, Iran will pay a very heavy price, indeed!” Trump said in a post on Twitter.
It was not immediately clear what information Trump was referring to in his tweet, which was posted after he was scheduled to have a 12:00pm (16:00 GMT) intelligence briefing.
A top Iranian military aide had earlier cautioned