Attention, pigs of Surrey.

I saw the least committed piece of political graffiti ever on Embankment yesterday.

It read 'Simon Hollis is Innocent. Tell the Surrey Pigs.' Which is pretty lame to start with. How are we good people of Embankment supposed to tell the Surrey Pigs? Chinese Whispers? A megaphone relay? I can't help thinking that, rather than rely on one of us bumping into a Surrey pig at a cocktail party, Simon Hollis's defenders might have done better to scrawl their message of defiance in Godalming, Frimley or Dorking; where a passing Surrey pig could have learnt the surprising news of Simon's innocence at first hand.

But this isn't what really makes me question the writer's commitment, so much as what it was written on. A bus-shelter. Nothing wrong with that- it's not Nelson's column exactly, but it does the job. But...

On a pink heart-shaped post-it note. Oh dear. Simon, it might be a good idea to acquire a taste for prison food. I don't think they're really trying.

Still, I suppose I noticed it. So, if anyone reading this happens to be a Surrey pig, listen up. I have it on excellent authority that Simon Hollis is innocent. There. Duty done.