The U.S. is actively reaching out to North Korea in an attempt to restart diplomacy between the two countries, the White House national security adviser said in an interview published Sunday.

Speaking with Axios, Robert O’Brien said Washington was seeking to return to working-level talks with Pyongyang — stalled since negotiations fell apart in Sweden in October. 

“We’ve reached out to the North Koreans and let them know that we would like to continue the negotiations in Stockholm that were last undertaken in early October,” he said. 

The U.S., he said, hopes to “get those [negotiations] back on track,” and