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.

Thailand and Cambodia agreed Monday to an unconditional ceasefire during a meeting in Malaysia, in a significant breakthrough to resolve five days of deadly border clashes that have killed dozens and displaced tens of thousands.

Thailand and Cambodia have agreed to hold talks in Malaysia on Monday in an attempt to negotiate an end to a conflict that has lasted four days.