- The property's owner, Catherine Seale was on holiday in France with her husband when the party was held on Saturday
- She got a call from a friend telling her what was going on
- Neighbours claim six police back-up units were needed to break up the crowd
More top news
The former London Mayor also claimed Tony Blair's decision to ignore security advice had "killed 52 Londoners".
The victim, a woman in her 40s from Hillingdon, west Londion, was conned into handing over the fortune to a man who faked his name.
Inspectors found a culture of bullying and major problems with poor ambulance response times at the trust, which is the biggest in the UK.