Mau Mau Uprising more mobile formations that delivered what he termed "special treatment" to an area. Once gangs had been driven out and eliminated, loyalist forces and police were then to take over the area, with military support brought in thereafter only to conduct any required pacification operations. After their successful dispersion and containment, Erskine went after the forest fighters' source of supplies, money and recruits, i.e. the native Kenyan population of Nairobi. This took the form of Operation Anvil, which commenced on 24 April 1954. By 1954, Nairobi was regarded as the nerve centre of Mau Mau operations. Anvil was the ambitious
Mau Mau Uprising them "protected villages", purportedly to be built along "the same lines as the villages in the North of England", though the term was actually a "euphemism[] for the fact that hundreds of thousands of civilians were corralled, often against their will, into settlements behind barbed-wire fences and watch towers." While some of these villages were to protect loyalist Kikuyu, "most were little more than concentration camps to punish Mau Mau sympathizers." The villagisation programme was the "coup de grâce" for Mau Mau. By the end of the following summer, Lieutenant General Lathbury no longer needed Lincoln bombers for raids because