U.S. President Donald Trump on Thursday “clarified his will” to resolve the North Korean issue through dialogue, in a phone call with the South Korean President Moon Jae-in held just hours after a second DPRK-U.S. summit ended in no deal being reached.

In 25-minute bilateral talks held following President Trump’s departure from Vietnam on Air Force One at around 1750 local time, Seoul’s Presidential office said the two leaders had discussed the outcomes of that summit.

They also held an “in-depth exchange” on how the two countries could work together on relevant “follow-up measures.”

Trump expressed regret that Pyongyang and