"One of the undoubted highlights of the summer was the fantastic community spirited, magenta and pink clad Ambassadors, who gave up their time to welcome the world. I am delighted that we have delivered on our promise to build on the remarkable success of the volunteers during the Games with the expansion of the Ambassadors Programme.
"Armed with guides and information about the city, they are brilliantly placed to tempt visitors and Londoners alike with the smorgasbord of world class shops, theatres and restaurants that are on offer."
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Police have released several pictures in a bid to trace two teenaged girls missing from the Hillingdon area.
The man identified as the Islamic State militant known as "Jihadi John" was a "popular" schoolboy who loved Manchester Utd and S Club 7.
A man using his phone in the City of London had it snatched out of his hands by a cyclist zooming past.