London Mayor Boris Johnson says Andrew Mitchell's apology "underscores how wrong it is to abuse police officers". Mr Johnson also commented on the police decision not to arrest Mr Mitchell:
That's an operational matter.
In my book you shouldn't abuse police officers. The crucial thing for me is Andrew Mitchell has apologised.
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Before the final declaration on Friday, the Conservative candidate looked set to lose the City Hall race to Labour's Sadiq Khan.
The Tooting MP has been the frontrunner in the counting process ahead of Tory challenger Zac Goldsmith.
It's not just London where elections have been taking place today. There were council elections taking place across the home counties.