 On 8 December he successfully led a small raid against one of the Boers' Creusot "Long Tom" guns and a howitzer which they disabled with cotton charges.The town was relieved on 1 March 1900 and Hunter was promoted to lieutenant general on 6 March and posted as General Officer Commanding 10th Division.The 10th Division were sent to join Lord Roberts' army on the western front of South Africa which was now camped at the captured Orange Free State capital Bloemfontein.