The recent spike in UVF-related violence has prompted the Police Federation to claim the organisation's ceasefire is finished.
He also said Black Friday had been a "nightmare" because it produced a massive spike in sales that was difficult to cope with both online and in stores.
A spike in the numbers of immigrants attempting the dangerous sea crossing from Libya has sparked alarm in Europe, particularly after about 800 people drowned in a Mediterranean shipwreck last month.
The media plays a role in all of this, as hate crimes tend to spike following events receiving significant media coverage: In 2001, the FBI recorded 481 anti-Muslim hate crimes, over a 1600% increase from the year before.
Over the past decade, going back to the 2005 Ashes series, England have used reverse more effectively than almost any other side, something other teams have not just envied but attempted to replicate, or alternatively spike.
This is not unusual; police and Jewish civil rights organisations have long observed a noticeable spike in antisemitic incidents each time the Israeli-Palestinian conflict flares.
Cameron mocked Miliband for adopting a Blue Peter approach to the economy after the Labour leader acknowledged that prices might have to rise if there were a spike in world energy prices.
A dramatic spike in awareness of US police killings over the past year has put a spotlight on the use of lethal force by police and brought into sharp focus the actions of officers when confronting unarmed black men, such as Michael Brown in Ferguson, Missouri, and Eric Garner in New York City.
A spike in usage was apparent in March May 2013, which may be due in part to the market crash around that time.
Occasionally a spike of true connection with the victims of history will come through, but those moments tend to lead nowhere.
Related: Bird flu outbreak continues as flock of millions registers infection in Iowa Egg supplies are falling short of demand, the US Department of Agriculture has indicated, and Brown said egg buyers such as grocery stores and wholesalers are trying to stock up for fear that another large farm with millions of chickens will be stricken – causing prices to spike higher.
