TOKYO/BEIJING: Oil prices fell on Monday, erasing last week’s gains, as loadings resumed at the key Russian export hub of Novorossiysk, after a two-day suspension at the Black Sea port that had been hit by a Ukrainian attack. Brent crude futures dropped 44 cents, or 0.68%, to $63.95 a barrel by 0751 GMT. US West Texas Intermediate (WTI) crude futures were trading at $59.61 a barrel, down 48 cen