Oil rises as Saudi Arabia pushes for further supply cuts

TOKYO (Reuters) - Oil prices gained on Tuesday, as hopes rose for OPEC and its allies to agree deeper output cuts when they meet this week, although gains were limited, amid some analysts' scepticism over the achievement of further reductions.Brent futures rose 17 cents, or 0.3%, to $61.09 a barrel by 0516 GMT, after having gained 0.7% on Monday. U.S. West Texas Intermediate crude was up 25 cents, or 0.5%, at $56.21 a barrel. The contract rose 1.4% on Monday.The Organization of the Petroleum..