Authorities are still trying to piece together exactly how a Mexican tour bus crashed today, killing at least 12 cruise ship passengers from 2 Royal Caribbean owned cruise ships. Passengers from the Royal Caribbean Serenade of the Seas cruise ship, and from the Celebrity Equinox ship, were involved.
Authorities say that seven Americans were among the multiple injuries, but the nationalities of the deceased victims have not been determined.
The vehicle, which his owned by a company called Costa Maya Mahahual, was in service when it crashed and rolled on its side. The cause of the crash is still under investigation.