Long-simmering tensions between Thailand and Cambodia escalated to deadly violence on July 24, setting off five days of military clashes at multiple spots along the roughly 800-kilometer (500 mile) border.

A threat by President Donald Trump to halt trade negotiations with both Cambodia and Thailand until a truce had been reached forced both sides to the negotiating table. Even so, the ceasefire looks shaky.

Thailand and Cambodia separately planned border visits for foreign diplomats to observe damages from the nearly weeklong clash, as violence that continued after a ceasefire appears to have eased. The ceasefire reached in Malaysia was supposed to take effect midnight Monday,