, Feb. 9 (Xinhua) -- UN Secretary-General Antonio Guterres had a brief exchange with Kim Yong Nam, the president of the Presidium of the Supreme People's Assembly of the Democratic People's Republic of Korea (), a UN spokesman said on Friday.

The secretary-general had a brief exchange with Kim on the sidelines of the opening of the Winter Olympics in Pyeongchang, the Republic of Korea, Farhan Haq, UN deputy spokesman, told reporters at UN Headquarters in New York.

The UN chief reiterated "his expectation and hope that all parties will use dialogue to achieve the peaceful denuclearization of the Korean Peninsula," Haq said.

However, Haq did not give more details of the exchange.