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.

Ceasefire talks between Cambodia and Thailand were underway in Malaysia on Monday after days of deadly clashes on their disputed border sent civilians scrambling for safety and relations between the two neighbors cratering.