The Trump Organisation aims to launch projects in Saudi Arabia as it continues to build on its closer ties with the region. The company on Wednesday unveiled a 2 billion Saudi riyals ($533 million) residential development in Jeddah in partnership with London-listed Dar Global.

"I have no interaction with Washington, D.C. I want no interaction with Washington, D.C.," Eric Trump said when asked about conficts of interest.

The Trump Organization plans to build a Trump Tower in the Saudi capital Riyadh as part of a real estate expansion in the region including in the Emirati capital Abu Dhabi, Eric Trump, the U.S. president-elect's son told Reuters on Thursday.