Secretary of State Rex Tillerson Rex Wayne TillersonGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Conspicuous by their absence from the Republican Convention MORE had to stay in a sanitarium miles from where other world leaders were lodged during this week’s Group of 20 meeting in Bonn, Germany, Bloomberg reported on Friday.

Tillerson was apparently late to confirm his attendance at the gathering of foreign ministers and diplomats, and the city’s hotels were completely booked by the time he did.

That meant that other leading diplomats, such as United Kingdom Foreign Secretary Boris Johnson, reportedly had to make the 30-minute trek out to the sanitarium to meet with Tillerson.

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The stay at the sanitarium marked an unusual start for Tillerson’s new State Department career, especially during a meeting the former Exxon Mobil CEO intended to use as an opportunity to introduce himself to foreign ministers and diplomats.

Still, the trip was busy for Tillerson, who held numerous bilateral meetings on Thursday. One State Department official told Bloomberg that the secretary of State would be in “listening mode” during the gathering.

Trump himself has had mixed interactions with world leaders since taking office last month. He reportedly engaged in confrontational phone calls with Australian Prime Minister Malcolm Turnbull and Mexican President Enrique Peña Nieto.

But the president also appeared to mesh well with Israeli Prime Minister Benjamin Netanyahu and Japanese Prime Minister Shinzo Abe, both of whom visited with Trump over the past week.