The explosion destroyed 4 houses, killed 4 people and caused a plate glass window to fall directly in front of Olga. Thwaites was able to calm his mount and guide her back to the area where he administered help to the survivors and, mounted on Olga, diverted sightseers away from the devastation
Recipients of the PDSA's Dickin Medal, the animal version of the Victoria Cross; Olga, Upstart and Regal (left to right in the image)
Dickin named after Maria Dicken a former Streatham resident of Mount Nod Road