The playground is very close to his home address. He plays out but has never gone missing before overnight - but has gone missing previously.
When we've spoken to people nearby they didn't know his name but when we showed a photo they knew who he was as a local boy.
Last night, a lot of searching went on with the helicopter and street searches. But we're now retracing our steps and carrying out new searches.
More top news
Drivers will be forced to charge reasonable fares under plans to ensure tourists are not targeted by drivers trying to take advantage.
Robbie is Britain's first official bionic hound, after having his back legs strengthened with a state-of-the-art exoskeleton.
Mr Khan said the image of an Asian woman on a see-saw with an aggressive finger-jabbing white skinhead reinforced stereotypes.