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

Thailand and Cambodia exchanged heavy artillery fire for a second day on Friday (July 25) as their worst fighting in over a decade intensified and spread to new areas, despite international calls for a ceasefire.

As Cambodia-Thailand border tensions escalate, the crisis spotlights a groundbreaking trend: women military leaders at the forefront.

Thailand's acting Prime Minister Phumtham Wechayachai condemns Cambodia's use of heavy weaponry and defends the Thai air strikes launched on Cambodian military positions, describing the escalation as "just a conflict",