What Was Really Burning On Google UK HQ Rooftop?

Apparently there was a fire on the rooftop of the Google UK headquarters, according to various reports.

Thanks to @jonswain for pic

With all that has happened from the UK office lately one has to wonder what was burning on that BBQ.

The secret agreement to use Google search in the BT/Yahoo portal?

The reasons for putting merchant search results in the UK listings and what exactly they are testing? The search results below suggest Google is going into the money lending business. What's next? Ringtones?

No one was hurt in the fire and no major damage was done, according to the local fire brigade. They did not know what was being burnt.

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