The Third Batswana-Boer War (1899-1902)

At the same time some of the more daring Bangwaketse and Bakwena joined Barolong in running supplies across the Boer lines to the besieged town of Mahikeng. 

In February 1900 Sebele reached an agreement with the Boer Commandant Peter “Ramolara” Swartz to keep his men east of the rail line. But the agreement broke down the following month when British Rhodesian Bechuanaland mounted police under Colonel Herbert Plumber occupied Lobatse in an attempt to relieve the Mahikeng Siege. On March 15, 1900 Plumber abandoned Lobatse in the face of a Boer counter attack.