Weakness attributed to press report that Russia Econ Min Ulyukaev said that Mechel bankruptcy is a likely scenario given its current debt levels Ukyukaev supports VTB Bank CEO Kostin, who has threatened to sue Mechel if it continues to stall converting its debt into shares for its main creditors including VTB, GazpromBank, and Sberbank, which hold about 60% of its debt.