After the mayoral result, the Labour candidate Ken Livingstone announced he would not be standing for a political post again. That brings an end to a political career in London which has lasted over 40 years. Piers Hopkirk reports.
In his first in-depth interview before being newly re-elected, London's Mayor says he's keen to continue his mandate.
Boris Johnson has attended his 'signing in' ceremony at City Hall.
Ken Livingstone comments on election coverage and what the future holds.