 Complete the following phrase:  After Black Week in December 1899, the War Office accepted the offer of the Lord Mayor of London, Sir Alfred Newton, to raise a force the City Imperial Volunteers CIVs from among the London Volunteer units for service in the Second Boer War. The Rangers provided a detachment of one officer Lt Brian Alt, son of Lt-Col Alt and 26 other ranks, who served in H Company of the CIVs between February and October 1900. Lieutet Alt was killed at the 