"We’re still hopeful that the meeting will take place and we’ll continue down that path, but at the same time we know that these, we’ve been prepared that these could be tough negotiations," Sanders said in the interview with Fox News. "The president is ready if the meeting takes place, and if it doesn’t we’ll continue the maximum pressure campaign that’s been ongoing.”
South Korean media reported the day before that Kim had threatened to cancel the summit because of US-South Korean military exercises currently taking place.
READ MORE: N Korea Vows to Join Global Efforts to Ban All Nuclear Weapons Tests
The same day, North Korea canceled talks scheduled for May 16 with Seoul due to the Max Thunder military exercise.
The United States and South Korea launched a two-week annual air combat exercise on May 11. About 100 aircraft, including US F-22 Raptor stealth fighter aircraft, are participating in the drills that will last until May 25.