Nigeria's Petroleum Minister Diezani Allison-Madueke has warned the surge in oil production in the U.S. and Canada, and shrinking oil consumption in the developed world, is transforming the global oil market. The fall in US imports could have a negative impact on nigerian oil revenues.
In Nigeria, a curfew was relaxed yesterday in parts of the northeast.
In the U.S, a 2-mile-wide tornado yesterday tore through the Oklahoma City suburb of Moore.
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