Fun Online Polls: The Jonah Effect & Exploding pavements

The result in last week's Fun Online Poll was as follows:

Gordon Brown started speaking out against Scottish independence and support for independence surged...

A coincidence - 12%
I think not - 88%

Thank you everybody who took part, I'm with the majority on this one.
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I work in London and live on the outskirts, so I'm personally not too worried about cow attacks; so I've decided to start obsessing about exploding pavements instead.

Before you click the link and read the article, see if you can guess how many reported pavement explosions there have been in London in the last three years.

Guess here or use the widget in the sidebar.