The body of a 21-year-old British tourist was found floating in the sea more than a week after she went missing from a Cambodian island, police said on Thursday.Amelia Bambridge was discovered in waters near the Thai border, said Chuon Narin, police chief of Preah Sihanouk province."We found the body of the missing British woman," Narin said, adding it would be taken to nearby Sihanoukville.He did not speculate what happened to her after she disappeared from a beach party on the isl