BUZZ-Australia's iron ore miners drop as prices continue to fall
** Australian iron ore miners Rio Tinto Ltd (Xetra: 855018 - news) Fortescue Metals Group and BHP Billiton Ltd fall as much as 3.7 pct to 8.3 pct
** Both Rio and BHP hit their lowest since April 21
** Miners hit by persistent weakness in iron ore prices
** Iron ore is currently trading below $60 a tonne
** Fortescue says its calls for an inquiry into iron ore market will generate enough public pressure to force BHP and Rio to rein in expansion plans
** Rio Tinto says a worker at Fer et Titane unit died after being injured in fatal accident
** Adds work at Fer et Titane operation has been suspended until further notice
** The ASX 300 Metals & Mining index drops 2.3 pct (anusha.r.thomsonreuters.com@reuters.net)