A passenger said the incident occurred during rough sea conditions. One person was lightly injured while evacuating a dining room on the massive ship named Carnival Glory, according to Carnival, the world's largest cruise operator. MEXICO CITY: Two Carnival Corp cruise ships collided on Friday in the port of Mexico's Caribbean resort of Cozumel, the luxury cruise operator said, crushing the stern of a 952-foot-long (290-meter) vessel and leaving passengers stunned at the loud impact.