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".
Speaking at the National Association of Head Teachers (NAHT) annual conference, Education Secretary Michael Gove said the election results were "disappointing", but added he was "delighted that Boris Johnson had won the race for Mayor of London".
History tells us that the important thing for us to do is to take into account the electorate's concerns but to address people's fundamental worries and they are the economy and making sure we reward people that are doing the right thing.
The newly re-elected London Mayor Boris Johnson thanked the people of London for giving him a "second mandate".
David Cameron said he was "delighted to congratulate" the re-elected Conservative Mayor Boris Johnson but added that "now what matters is working together for the good of London".
Ken Livingstone hit out at Boris Johnson this morning, describing him as a 'do-nothing Mayor'. He said: "With the exception of this rather silly little cable car there's nothing else he has started. If we have another four years like that then by the end of this decade London will be insufferable."
Home Secretary Theresa May said "the greatest city in the world has re-elected a Conservative Mayor in Boris Johnson and I think it's a fantastic result for London".
– Conservative Party co-chairman Baroness Warsi
This is an historic result. The greatest city in the world has re-elected a Conservative mayor.
Boris Johnson's re-election is a testament to the way he has connected with Londoners; to his modern, inclusive approach; and his clear vision for a safer, greener, more prosperous London.
In the coming weeks and months the eyes of the world will be upon the capital, as we host the Olympic and Paralympic Games and we are at the centre of celebrations for the Queen's Diamond Jubilee. In Boris, London has a mayor with the authority, presence and charisma to represent this great city on the world stage.