David Cameron was warned about Watford Tories

From A Lanson Boy:

I was ... in Watford for a visit by Ming Campbell a couple of years ago. Mr Oakley and a large number of other Tories tried to disrupt the visit. So far, common enough - if regretable. But their actions that day went well beyond what might be considered fair game. Their yelling and screaming was massively abusive and had no place in our politics. They constantly tried to disrupt every media interview and were obnoxious beyond belief.

After that visit, Ming wrote to David Cameron asking him to take action about Watford Tories. Unfortunately, Cameron ducked that opportunity to investigate and simply replied that such behaviour was what party leaders should expect.