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,
Local government in London Lord Mayor of the City of London, which is a different position from that of Mayor of London. The City of London also has its own police force: The City of London Police, which is independent of the Metropolitan Police Service which covers the rest of Greater London. Within the City of London are two liberties, the Inner Temple and the Middle Temple, which are local authorities for most purposes to the present day. Local government in London Local government in London takes place in two tiers; a citywide, strategic tier and a local tier. Citywide administration is coordinated by