155 mm Creusot Long Tom part of the war the time fuses did not work properly. Case shot was used as a last resort when the enemy's foot soldiers were close to the gun. Case shot was effective up to 400 metres. During the Second Boer War the guns were deployed as field guns and siege guns at Vaal Krantz, Ladysmith, Mafeking, Kimberley and Bergendal. During the early stages of the war these guns gave the Boers an advantage as they had longer range than any British guns that were deployed in South Africa at the time. After all their ammunition had been expended, the
Relief of Ladysmith after which the Boer resistance crumbled. On 28 February the Boer commanders ordered their troops to withdraw to the Biggarsberg, some 45 km to the north of Ladysmith. There was little organisation in the withdrawal, but the British forces were instructed not to go in pursuit. The British forces led by Lord Dundonald with Churchill by his side entered Ladysmith on the afternoon of 1 March 1900. The Boers meanwhile established a line of defence along the Biggarsberg, but, apart from the odd patrol, there was little movement by either side for two months – Buller was regrouping his forces