Nigerian Oil Output Falls Further on Attack, Strike.

The article offers information on oil production setbacks in Nigeria as of April 25, 2008. An attack on an oil pipeline operated by the Royal Dutch shell PLC on April 24, 2008 and a labor dispute at the local unit of Exxon Mobil Corp. on its second day in April 25 reportedly closed off a major production in the country that sent world crude prices higher. Nigeria, according to the article, is Africa's biggest oil exporter.