Boris Johnson Announced as New London Mayor

The transcript details the declaration of the results for the Mayor of London election. Anthony Meyer, the Greater London returning officer, announces the first preference votes for each candidate. Since no candidate received more than half of the first preference votes, the two candidates with the highest votes, Boris Johnson and Ken Livingstone, proceed to the second preference count. Boris Johnson receives more second preference votes, leading to his election as the next Mayor of London.

What was the total number of second preference votes received by Ken Livingstone?

Who was officially declared as the next Mayor of London?