<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>There's been a major development in the search for two girls abducted from Adelaide Oval more than half a century ago, with police now in possession of a piece of bone found during a dig for clues in South Australia's mid-north.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Joanne Ratcliffe and Kirste Gordon haven't been seen since they were taken from Adelaide Oval in 1973.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Now, a bone fragment located in the small town of Yatina at a property formerly owned by Stanley Arthur Hart has been passed on to major crime detectives. </span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE: </span></strong><a href="https://www.9news.com.au/world/jeffrey-epstein-ghislaine-maxwell-united-states-testify/54c81e8b-df99-4564-a9af-e69a13a0b487" target="_blank"><strong><span>Epstein's accomplice offers to reveal all - but there's a catch</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Private investigators, who consider Hart a prime suspect in the 1973 abduction case, discovered the bone. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>They had the bone tested by a forensic anatomist, who says he's 90 per cent certain it's part of a small human pelvis which appears to be embedded with glass.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>South Australia Police have previously ruled out Hart as a suspect, but today said: "Should the bone be identified as human remains, further investigations will be undertaken to determine whether it relates to the disappearance."</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/police-examining-bone-in-decadesold-adelaide-oval-abduction-case/b9bccd46-19ba-4130-b738-68bcc15ddbdb" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Police also warned against drawing premature conclusions, adding: "The mere identification of the bone as human remains does not confirm that it is the remains of either Joanne or Kirste."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Officers say they can't give a timeline as to when the results of the testing will be known.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><em><span>This article was produced with the assistance of </span></em><a href="https://www.9news.com.au/technology/9express/16480c33-636a-461f-9c4f-d0e2522c722a"><em><span>9ExPress</span></em></a><em><span>.</span></em></div></div>