Ferrexpo falls after warning over MBaer collapse
** Shares of Iron-ore pellet producer Ferrexpo FXPO.L down 4.4% at 48.1p ** Co warns of "material negative consequences" unless it secures alternative banking arrangements after its Swiss banking partner MBaer collapsed ** Co also restarts production at Ferrexpo Poltava Mining in Ukraine ** FXPO down ~35% YTD (Reporting by Nithyashree R B in Bengaluru) ((NithyashreeRB@thomsonreuters.com))