Operation Midland – Wikipedia

In November 2014, Operation Midland was set up by the Metropolitan Police in London to examine allegations of child sexual abuse and homicide, later extended to cover allegations of three murders and activities at the Dolphin Square development in Pimlico and elsewhere; on 21 March 2016, the Metropolitan Police confirmed that Operation Midland had been closed without any charges being brought.

https://en.wikipedia.org/wiki/Operation_Midland