The White House is ready for a summit between President Donald Trump and North Korean leader Kim Jong-un to take place on June 12, the original date proposed for the on-again-off-again meeting, spokeswoman Sarah Sanders says.

“The president thinks ongoing discussions are going very well … and that the meetings taking place over this week … certainly are signs of progress,” Sanders told reporters travelling with Trump on Air Force One to Nashville, Tennessee.

“We’re going to be prepared if it takes place on June 12. We’ll certainly be prepared if it for some reason takes place at a later date – we’ll be prepared for that as well.”