Brent futures held steady above $110/B Thursday on renewed worries of supply  disruptions from the Middle East, while an escalating euro zone debt crisis reinforced oil demand growth concerns and capped gains. Uncertainty over a bailout for Spain while policymakers still wrangled over Greece’s  old debt highlighted the difficulty Europe is facing in tackling the crisis, weighing on broader markets, from Asian shares, the euro to gold (Reuters).Brent crude rose 9 cents to $110/B,  while US oil gained 24 cents to $90.22/B.