Iran Embassy Video Special: Umbrella 1, Iranian Diplomat 0

This week British diplomats in Tehran have faced hostile rhetoric from senior regime figures, the ransacking of their Embassy by hundreds of "students", and the prospect of hostage status.

But they have never encountered the menace that threatened their Iranian counterparts in London.

Beware the umbrella --- a member of the Iranian Embassy in Britain, trying to escape media attention as the staff were ordered to leave the UK, finds himself undone by a parasol: