Both countries' foreign ministers agreed that no other country should be involved in the issue, Mohamad Hasan said.

"I made it clear to [Trump] that Cambodia agreed with the proposal for an immediate and unconditional ceasefire between the two armed forces," Cambodian PM Hun Manet said after the phone call, adding that Trump's mediation "will truly help protect the lives of many soldiers and civilians".

Thai and Cambodian leaders will meet in Malaysia for talks to end hostilities, a spokesperson of the Thai prime minister’s office said on Sunday.