Thailand and Cambodia are fighting again, leaving a Trump-brokered peace agreement on brink of collapse. What happened?

By Helen Regan, Kocha Olarn, CNN (CNN) — Armed clashes between Thailand and Cambodia entered a second day on Tuesday, both sides said, in defiance of calls from the United States to stop fighting and adhere to a months-old Trump-brokered peace deal that now looks on the brink of complete collapse. At least eight people