On Thursday, the oil prices dropped amid Yemen's revived bombing, stronger Greenback, and higher-than-expected crude inventory in the US. The WTI futures slipped 0.59% to $55.83 a barrel, when Brent futures edged lower 0.66% to $62.32 a barrel. Meanwhile, crude inventories added 5.3 million barrels last week, beating the estimate of 2.5 million barrels.