U.S. President Donald Trump remains open to the possibility of a third summit with North Korean leader Kim Jong Un, his National Security Advisor John Bolton said Sunday, in comments in which he ruled out a return to Six-Party talks-style negotiations over the nuclear issue.

Speaking to Fox News Sunday’s Chris Wallace, Bolton said President Trump felt “strongly” that he wanted another meeting with Kim and that he did not want a repeat of past mistakes in diplomacy with the DPRK.

“He feels pretty strongly about it,” he said. “He’s said repeatedly he thinks he has a good relationship with Kim