North Korea’s most widely-circulated daily newspaper on Thursday warned Washington against attempting to impede improving inter-Korean ties, in an editorial intended to offer the Trump administration “advice” for the New Year.

The Korean-language editorial, carried by ruling party organ the Rodong Simun, expressed frustration over the slow pace of plans for inter-Korean rail and road connection and modernization.

Officials in Washington are provoking the “deep concern of the entire nation,” it said, by calling for Seoul to “adjust the speed” of warming inter-Korean ties and asking that they develop in parallel with improving DPRK-U.S. relations.

“The inter-Korean relations can