US President Donald Trump said on Saturday the US could not share military plans with Gulf allies while negotiating with Iran, even as a major American naval presence moves into the region.

Speaking with Fox News Channel senior White House Correspondent Jacqui Heinrich, Trump responded to reporting that Gulf allies remain in the dark about potential US intervention plans involving Iran.

"Well, we can't tell them the plan. If I told them the plan, it would be almost as bad as telling you the plan - it could be worse, actually," Trump said. "But look, the plan is that [Iran is] talking to us, and we'll see if we can do something, otherwise we'll see what happens… We have a big fleet heading out there, bigger than we had - and still have, actually - in Venezuela."

A senior Gulf official told Fox News that Saudi Arabia would not allow the US to use its airspace or bases for an attack. A high-ranking government figure from a Gulf Cooperation Council (GCC) state told Fox News that the "US hasn't shared objectives or plans" regarding Iran with Gulf allies, despite recent high-level Saudi meetings in Washington aimed at gaining clarity.... Read More: FOX45