They had carefully arranged the conference centre so that their part of the compound – behind barriers staffed by UN guards and secret service officers, unlike the rest of the delegations which were open to access – was directly above the UN's offices.
The delegation, which was in Damascus to support the Syrian government, also met with Mr. Assad.
The delegation, which is being sent by the Security Council, was expected to leave early next week.
The heckling appeared to start with the New York delegation, which is heavy with Trump supporters.
The delegation, which was met by the Union of Myanmar Federation Chamber of Commerce, also included a commodity trading company, a manufacturer of firefighting machines, a leading bank and a health care specialist.
The delegation, which was scheduled to leave Wednesday, was handpicked by Mr. Maliki, who went out of his way in an interview Wednesday to stress his independence.
The Illinois delegation, which was to have been led as usual by Mayor Richard J. Daley, was replaced with a new delegation that allowed higher proportions of women, young people, and African Americans; Daley had sensed the coming rebuff and stayed home.
The state delegation, which was selected on Saturday at the state convention in preparation for the primary, is composed almost entirely of supporters of Cruz, whose supporters overwhelmed the state convention in Pasco.
After Ms. Liu saw their collaborative efforts on Thursday, she hugged Lil' Buck, which astounded everyone in the room, said Mark Danner, a writer for The New York Review of Books who is a member of the visiting American arts delegation, which was put together by the Asia Society and the Aspen Institute.
For several days this week, as he met with – and was photographed with — leaders in Iraq, Jordan, Israel and here in Britain, Mr. McCain has taken pains to point out that he was traveling as part of a congressional delegation, which is paid for by taxpayers, and not as a presidential candidate.
Near the Iowa delegation, which was one of the groups to sign on to force a floor vote, the state's governor, Terry Branstad, huddled with his son, the Iowa director for Trump, as well as the state party chair and other top party officials in an attempt to whip delegates into withdrawing their signatures.
