U.S. President Donald Trump said on Sunday he believed both Thailand and Cambodia wanted to settle their differences after he told the leaders of both countries that he would not conclude trade deals with them unless they ended their fighting.

Thailand and Cambodia have signaled their readiness to negotiate a ceasefire after mediation by U.S. President Donald Trump.

"The U.S. already flunked the test and that should be a wakeup call," a former senior U.S. State Department official told Newsweek.

Thailand closed northeastern border crossings with Cambodia and said Wednesday it was withdrawing its ambassador and expelling the Cambodian ambassador to protest a land mine blast in which a Thai soldier lost a leg.

Thailand closes some border crossings with Cambodia after soldier loses leg in landmine explosion Many border checkpoints had already been closed by one side or the other after relations deteriorated following an armed confrontation in which one Cambodian soldier was killed.

The U.S. now also has a trade framework for 19 percent duties on Philippine imports and 15 percent for Japanese goods entering the US market.