Boris Johnson's father Stanley has been speaking to ITV News' Libby Weiner about his son's re-election as London Mayor.
He said a lot of personal quality came through and it was "a superb achievement".
Boris Johnson said he would "definitively, categorically, emphatically" turn down the job of Prime Minister if it was offered to him.
So what challenges await the man tipped by many to one challenge for the leadership of the Tory party?
With defeat at the polls Ken Livingstone, a colourful political figure for over 40 years, has stepped down.