In 2009, then-Nigerian President Musa Yar Adua granted an amnesty to thousands of militants wreaking havoc in the oil-rich Niger Delta in the south.

BBC: The leader of Boko Haram Abubakar Shekau

But that was before a new generation of bacteria and fungi resistant to existing drugs started wreaking havoc in hospitals--creating a new, potentially lucrative market.

FORBES: Magazine Article

Mark Spencer finishes his barbecue and resumes wreaking havoc on the multibillion-dollar phone equipment business.

FORBES: Dial D for Disruption

That, in turn, would likely raise interest rates in America, wreaking havoc on a long-pricey stock market.

CNN: Wake up, America

Apparently participating in a burlesque movie, Sarandon camps it up, demonstrating terrible housekeeping skills and wreaking grande-dame havoc.

CNN: Review: 'The Lovely Bones'

At its worst, the peso lost three-quarters of its value, wreaking havoc on the finances of banks, companies and households, which could no longer meet their dollar liabilities.

ECONOMIST: Screeching to the precipice | The

Recently formed civilian self-defence groups are thought to have joined the demonstrators wreaking havoc on Wednesday, reports the BBC's Will Grant in Mexico City.

BBC: Latin America & Caribbean

In the new movie, Tintin and Haddock crash-land in the desert, and the propeller of their little seaplane keeps turning, wreaking havoc before it finally dies.

NEWYORKER: Double Dare