article_snippet.sent: The gang, who fled the bank with diamonds, gold and silver worth more than £8.3m, have never been found.
article_snippet.sent: No-one has ever been convicted over the crime .
article_snippet.sent: Value of items taken, including jewels, said to be between £60m and £200m.
article_snippet.sent: Value of items taken, including diamonds, gold and silver, said to be £8.3m.
highlights_snippet.sent: In both cases, gangs left with millions worth of diamonds, gold and silver .
  