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.
More top news
Police are appealing for help in tracing a family of six who are feared to be travelling to Syria.
Police who want to question a man following the deaths of two of his relatives believe he may be in London or the surrounding area.
A sea of tweed snaked its way through London today as the most dapper among us donned their finest and got on their bikes.