The declaration from Trump comes after he said over the weekend that he had spoken to the leaders of Cambodia and Thailand, urging a ceasefire, adding the U.S. would not get back to the "trading table" with the southeast Asian countries until fighting stops.

Thailand and Cambodia reaffirmed their shaky ceasefire violation after days of fighting along their border, as China stepped in to negotiate with the two countries. The ceasefire reached in Malaysia was supposed to take effect at midnight on Monday,