But after the death of Jacintha Saldanha, days after putting through a hoax call to the Duchess of Cambridge's nurse, will people think twice before hatching such a prank?

BBC: The end of prank calls?

As for cruise ships, the Cruise Lines International Association (CLIA), an association of cruise lines, said that from 2005 to 2011 only 16 people died in cruise accidents, out of 100 million passengers, putting the odds of death over that period at one in 6.25 million.

BBC: What is the safest mode of travel?