Northern Rhodesia had been detained without trial, following claims that they had planned the indiscriminate killing of Europeans and Asians, and of African opponents, the so-called "murder plot". Shortly afterwards, on 12 March 1959, the governor of Northern Rhodesia also declared a State of emergency there, arrested 45 Zambia African National Congress including Kaunda and banned the party. Kaunda later received a 19-month prison sentence for conspiracy, although no credible evidence of conspiracy was produced. The declaration of States of emergency in both Northern Rhodesia and Nyasaland marked the end of attempts by their nationalist parties to work within the colonial system,
Northern Rhodesia Police the window of his house. The murderers fled into the virtual no-man's-land on the border of Mozambique. The offer of a £20 reward led to their location. One of the accused confessed to the previous murder of an African. All three were tried and hanged. Two chiefs were sentenced to imprisonment for failing to give information. By an Order in Council of 4 May 1911 Barotseland, North-Western Rhodesia and North-Eastern Rhodesia were amalgamated as one territory, Northern Rhodesia, still administered by the British South Africa Company. Consequently the North-Eastern Rhodesia Constabulary and the Barotse Native Police were amalgamated as the