Mau Mau Uprising in London. The trial itself was claimed to have featured a suborned lead defence-witness, a bribed judge, and other serious violations of the right to a fair trial. Native Kenyan political activity was permitted to resume at the end of the military phase of the Emergency. The onset of the Emergency led hundreds, and eventually thousands, of Mau Mau adherents to flee to the forests, where a decentralised leadership had already begun setting up platoons. The primary zones of Mau Mau military strength were the Aberdares and the forests around Mount Kenya, whilst a passive support-wing was fostered outside these
Operation Anvil (Mau Mau Uprising) Mau" movement, had proliferated the Kikuyuland region. On 20 October the colonial governor declared a state of emergency, initiating efforts by the British military to put down the insurgency. The first months of the British campaign were plagued by a lack of discipline, communication, coherent strategy, and useful intelligence and little progress was made against the Mau Mau. An assault on the Naivasha police station and a massacre of civilians in the village of Lari in March 1953 dramatically escalated the conflict. Mau Mau activity also began to surface in the city of Nairobi, which had a large Kikuyu population.