Thailand and Cambodia are disputing whether their ceasefire is holding, the morning after they agreed to stop fighting in a deal reached in Malaysia under U.S. pressure.

President Donald Trump is championing himself as an expert in conflict resolution after helping successfully negotiate peace between Thailand and Cambodia. The president boasted about his accomplishment Monday while speaking to reporters in Scotland alongside U.

Trump gets through to both sides by citing the advantages of coming to terms rather than risking important trade deals with Washington.

The UN Security Council held an emergency closed-door meeting Friday in New York. Malaysia, which chairs the 10-nation regional bloc that includes both countries, called for an end to the hostilities and offered to mediate.

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