The City of London has issued a Letter to the Occupants of Occupy London asking them to leave Victoria Park. It also explains the work which must be done to the park to "winterize" it.
The letter explains the process by which any group must follow if they wish to erect tents in the City Park for any purpose.
The reasons are set out in a letter sent by the Director of Parks and Recreation, Mr. Bill Coxhead to Occupy London. The letter is dated November 4, 2011.
Click on this link to read the letter released by the City of London