Prime Minister David Cameron arrived at City Hall to congratulate Boris Johnson on his re-election. The mayoral victory was a high point for the Conservatives following a miserable series of council election results for the party on Friday.
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.