Lt Melville and Coghill managed to survive the original Zulu onslaught at Isandlwana, only to be caught crossing the Buffalo River with the Queens Colours, and killed on the south bank.
This post has images of the graves, and the Natalia Magazine account of the attempt to save the Colours. for which the men received the Victoria Cross. Thanks to Natalia for the article.
Natalia v8 article p46-53 C – Saving the Queens colour
Fugitives Drift – Lt T Melville V.C. & Lt. N.J.A. Coghill V.C. – Graves