India, May 16 -- President Donald Trump again teased his possible attendance in Istanbul for the Russia-Ukraine peace talks on Friday. Speaking to reporters from the United Arab Emirates, his final stop of the Middle East trip, the 78-year-old was asked where he was heading next. The president sparked buzz with his 'destination unknown' comment.

Responding to a question by a reporter in the UAE, Trump said, "We'll be leaving tomorrow. It's almost 'destination unknown'. We're getting calls, 'could you be here? Could you be there?' But we're probably going back to Washington, DC."

There is no Turkey trip mentioned on Trump's schedule yet. On Wednesday, White House officials clarified that the president will not attend the Ukraine-Russia n...