Parliament Square was an area of London and the location of the Houses of Parliament.
Sherlock Holmes and John Watson passed through it, exiting down Whitehall. (PROSE: All-Consuming Fire)
When the Daleks invaded in 2157, one of the first things they did was attack London, round up the surviving politicians at the Square, and exterminate them. (PROSE: Alien Bodies)
Behind the scenes
- Parliament Square is the location of the fourth and final level of NOTVALID: Daleks v Cybermen. The Cybermen, controlled by the player, fight through Torchwood soldiers, the Preachers, and Daleks, before eventually destroying Dalek Sec.