By Artorn Pookasook and Chantha Lach SISAKET, Thailand/PHNOM PENH (Reuters) -Cambodia and Thailand each said the other had launched artillery attacks across contested border areas early on Sunday, hours after U.

Thai and Cambodian troops clashed in at least six areas along the countries’ shared 510-mile border on Thursday, killing one Thai soldier and nearly a dozen Thai civilians. The fighting—the second instance of armed confrontation between the two countries in almost two months—has sparked fears that the conflict could escalate into open warfare.