Security firm F-Secure warned last Friday that an in-the-wild attack would likely surface this week.

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Senior park warden Nelly Palmeris told the BBC its colouring made the buffalo more vulnerable to attack by predators in the wild.

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Utilizing a similar approach, we began by compiling a short list of the key threat classes that we considered high priority due to either their attack potency or incidence rates in the wild.

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This doesn't happen often in the wild says Clark, because squirrels possess a "remarkable ability" to dodge a snake attack.

CNN: April 4, 2012 -- Updated 1350 GMT (2150 HKT)

In contrast, the knockout phase of the Europa League has been a steady parade of wild shoot-outs, improbable comebacks and gripping match-ups between teams with an unfailing commitment to attack.

WSJ: Europa League Is Scoring Big