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 destroyed the German Fleet on Lake Tanganyika. In May 1916 all five NRP companies crossed into German East Africa. Combined with the two BSAP companies, in what was misnamed the Southern Rhodesia Column under Lieutenant Colonel R. E. Murray , played a full part in driving the enemy out of Tanganyika. In December 1917 the NRP troops in the field were reorganised into four double companies as the Northern Rhodesia Police Service Battalion. Meanwhile the CID and Town Police had kept on with their work back home. They obtained nearly twice as many convictions in 1917 as in 1914. In