900 Boers who crossed the border into Mozambique to end their part in the war in September 1900 were transported to Portugal and held there until the cessation of hostilities.
C R de Wet in Chapter 7 of his book says "This harbour (Delagoa Bay), then the only harbour in South Africa open to us, was subsequently forbidden us by the Portuguese Government, whose officials even went so far as to arrest eight hundred of our burghers (who, for want of horses, had taken refuge in Portuguese territory), and to send them to Portugal.