 Complete the following phrase:  Rutherford first volunteered to travel to fight for the Spanish Republican cause in December 1936, crossing via Dover to Dunkirk, with a group of 65 volunteers, including Peter Kerrigan. This group of the International Brigades reached Spain on 22 December 1936, and Rutherford was allocated to join fellow Scot, Harold Fry, a former shoe repairer, who had served as a sergeant in World War One, and led the machine gun company. The two became friends despite their age difference. They were captured at 