History of the Metropolitan Police Service been headed by a Commissioner, rather than a Chief Constable which is the highest rank in police forces outside London. The first Commissioners to hold the post were Lieutenant-Colonel Sir Charles Rowan and Sir Richard Mayne. When Sir Charles Rowan died, leaving Sir Richard Mayne as the surviving Commissioner, Captain William Hay was drafted in to jointly run the force with Mayne. However, because the two Commissioners did not agree on methods of running the force, since 1855 it was decided that only one Commissioner would run the force. Metropolitan Police patrols took to the streets on 29 September 1829,
Metropolitan Police Service Metropolitan Police Service The Metropolitan Police Service (MPS), formerly and still commonly known as the Metropolitan Police and informally as the Met, is the territorial police force responsible for law enforcement in Greater London, excluding the "square mile" of the City of London, which is policed by the much smaller City of London Police. The Met also has significant national responsibilities, such as co-ordinating and leading on UK-wide national counter-terrorism matters and protecting the Royal Family, certain members of Her Majesty's Government and others as deemed appropriate. As the police force for the capital, the Met has significant unique responsibilities