The British Broadcasting Corporation (BBC) is the public service broadcaster of the United Kingdom, headquartered at Broadcasting House in London.
Anonymous has sent messages to the BBC multiple times. One was about the network not reporting on important news & taking taxpayers money. A video about it is down below.
The BCC reported on World Trade Center#7 building collaspe before it even happened. This made people believe that The BBC had advanced knowledge of the building's collaspe. However it is explained here