Tillerson told a UN Security Council meeting on North Korea on April 28, “North Korea must take concrete steps to reduce the threat that its illegal weapons programs pose to the United States and our allies before we can even consider talks.” Haley's remark indicated Washington may hold talks for a nuclear freeze or a halt in its weapons development process, as opposed to demanding that North Korea completely scrap its program. “A remark introducing a nuclear-freeze-in-exchange-for-dialogue card through the UN ambassador, not the White House or U.S. State Department, is noteworthy,” Kim Yong-hyun, a North Korea studies professor at Dongguk University, told the JoongAng Ilbo. “It looks like a move by the United States to minimize the political and diplomatic burden as it shows a slight change in its stance to the international community from a tough, one-sided North Korea policy to one that is more dual-natured.” Haley called North Korean leader Kim Jong-un “paranoid,” adding he thinks Washington wants a regime change or that people are trying to assassinate him. “We're not trying to do any of those things,” she said, adding that Pyongyang has to stop its nuclear program and tests like the most recent ballistic missile launch. She said Washington will continue military exercises with South Korea.

 Haley also said she wanted to “tighten the screws” on North Korea, including stiffer sanctions and so-called secondary boycotts, in a joint press conference with Korean Ambassador to the UN Cho Tae-yul and Koro Bessho, Japanese Ambassador to the UN, to send a “strong, unified message to North Korea.” “We're going to make sure we put the pressure on them economically, diplomatically, politically and internationally in any way that we need to,” she said. She added that Washington is “looking at third-country entities who are helping North Korea and putting sanctions on them because if you are supporting North Korea you are against the rest of the international community,” referring to secondary sanctions on anyone supporting North Korea's illicit activities. “If you are a country that is supplying or supporting North Korea we will call you out on it,” she warned. “We will make sure that everyone knows who you are, and we will target sanctions toward you, as well.” “You either support North Korea, or you support us,” she said, adding countries have to “pick a side.” Haley said that the United States is working with China, South Korea and Japan on a new set of sanctions against North Korea in response to its most recent ballistic missile test. South Korean Ambassador Cho said it is “deeply regrettable” that North Korea launched a ballistic missile “only a few days after the inauguration of our new government in Seoul.”