The London Aquarium at County Hall on the South Bank has been bought by Merlin Entertainments, owners of the London Eye and London Dungeon. It will become the flagship of Merlin's chain of Sea Life Centres.
A disaster movie that shows central London devastated by a tidal surge from the Thames receives its TV premiere over the bank holiday weekend.
The Deptford Jack in the Green returned to Bankside and the South Bank this May Day.
Clowns from Zippos Circus staged a demonstration outside City Hall on Thursday to highlight their opposition to the Congestion Charge and Low Emission Zone.