World Crude Prices Steady

World crude prices steadied on Tuesday in light holiday trade as investors weighed up another attack in the oil-producing south of Nigeria.

London's Brent North Sea crude for June delivery added four cents to 67.69 dollars per barrel in electronic trading.

New York's main oil futures contract, light sweet crude for delivery in June, fell nine cents to 65.62 dollars per barrel in electronic deals before the official open of the US market.