[youtube http://www.youtube.com/watch?v=D5njHy6G7MU&w=300&h=300]

Workmen have moved in to the Olympic Park in Stratford, London, to begin the £300m process of transforming it into a site that will includes homes, workspaces, sports venues and facilities.

Planners promise a vibrant, mixed community but, as Graham Satchell has been finding out, some local residents fear they will not reap the benefits of the new-look park.