Cambodian Defense Ministry spokesperson Lt. Gen. Maly Socheata accused Thai forces of escalating the violence with bombardment of Cambodian territory early Sunday, followed by a “large-scale incursion” involving tanks and ground troops in multiple areas.

Thailand has mobilised gunboats to patrol its province bordering Cambodia as conflict between the two nations enters the third day, with death toll climbing to 33 and tens of thousands seeking refuge.

"The U.S. already flunked the test and that should be a wakeup call," a former senior U.S. State Department official told Newsweek.

Long-festering tensions over border territory have escalated into armed conflict between Cambodia and Thailand, leading to dozens of deaths on both sides and displacing tens of thousands of people.

The tank screeches as it rolls into the ad-hoc military base before four battle-weary soldiers jump out to re-inspect the hefty vehicle.

A fierce border conflict between Cambodia and Thailand has escalated, resulting in significant casualties and displacement. International concern has

Thailand and Cambodia exchanged heavy artillery fire for a second day on Friday as border fighting intensified and spread, while Cambodia's leader said Thailand had agreed to a Malaysian ceasefire proposal but then backed down.

The growing border conflict between Thailand and Cambodia continued into its third day with new attacks, as fears of war loom. The conflict’s death toll rose substantially on Saturday, with Cambodian authorities reporting 12 new deaths and Thailand one,