First came a push from the Malaysian premier, then China reached out, but it was only after U.S. President Donald Trump called Thailand's leader last week that Bangkok agreed to talks with Cambodia to end an escalating military conflict.

Senior officials from both countries said they were still waiting to hear final details on the deals after comments by the U.S. commerce secretary, Howard Lutnick.

President Trump said Monday he spoke to the prime ministers of Thailand and Cambodia after the two nations agreed to a ceasefire ending five days of fighting in the region. “Just spoke to the Acting Prime Minister of Thailand and Prime Minister of Cambodia.