Foreign Secretary William Hague said he was "very concerned there has been another kidnap in northern Nigeria."
A British worker is believed to be among seven international workers who were kidnapped by Islamic extremists in Bauchi.
Mr Hague added that the Foreign Office was "in touch with Nigerian authorities."
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A Public Health England report estimated 150,000 to 200,000 Britons are infected with the virus by imported pork every year.
Tens of thousands of people have travelled to a sleepy town in the American west, to witness a rare celestial event.
Warming up over the next few days. Mostly dry in the south, rain at times in the north.