Thai and Cambodian leaders are set to hold talks on Monday in a bid to end the deadliest clash between the two Southeast Asian nations in over a decade, a peace initiative driven by US President Donald Trump,

President Trump called for a ceasefire as the border conflict between Cambodia and Thailand enters its third day with both nations blaming each other.

US President Donald Trump on Saturday called upon Cambodia and Thailand to put an end to the ongoing deadly border conflict, threatening them that America would not make any trade deal with them if they did not announce a ceasefire.

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