Civil liberties and privacy campaigners say that more than £3.9 million has been spent by public bodies across the country in the last two years on paying private investigators for surveillance work - including snooping on their own staff.
The Big Brother Watch study found 27 local councils nationally had employed private firms to undertake surveillance - ten of which are in London.
Hammersmith & Fulham
Kensington & Chelsea
More top news
Hackney actor Idris Elba and Croydon rapper Stormzy donned Santa outfits and paid Newham and Whipps Cross children's wards a visit.
James Scobie QC represented Tokyi Ajibola, otherwise known as Trapstar Toxic, in his trial over an alleged gang-related shooting.
The memorial will focus on remembering the 71 victims of the tower block fire.