strikers were arrested and jailed. Anger among the strikers grew, and the Federation of Labour gradually began to lose control to even more radical groups, such as the Industrial Workers of the World organisation. In October, the Company was able to re-open the mine with non-union workers ("scabs"). The union workers reacted angrily, and the new workers were attacked with stones. Tensions between the union and non-union workers were very high — the union workers saw the newcomers as threatening their livelihoods and as being traitors to the working class, while many of the newcomers felt they had little choice but to take what work they could find, and resented the attacks and condemnation. Black Tuesday The violence gradually escalated, with union workers on one side and non-union workers and police on the other. The greatest level of violence came on 12 November, known as "Black Tuesday". A group of armed non-union workers and police attacked the union hall, which was defended by a small group of union workers (also armed). Thomas Johnston, a non-union worker who had come to the mines after his market garden in Auckland was bankrupted, was shot in the knee, and a police constable (Gerald Wade) was shot in the stomach. The shots were fired by Fred Evans, a radical unionist. Evans himself was struck by Constable Gerald Wade and later died of his injuries. Soon afterwards, the strikers broke ranks, with many fleeing Waihi altogether. Aftermath Evans was later held by the hardliners up as a hero and a martyr, with Bob Semple saying that Evans had been "doing his duty and should have shot more of them". Despite this, however, many people in the union movement actually moderated their positions after the strike — it had, after all, failed to achieve its goals. The strike also contributed to unity in the New Zealand labour movement — the Socialist Party, which had backed the strike, moved towards merger with the more moderate United Labour Party, which had not. The resultant Social Democratic Party later formed the basis of the modern Labour Party. A pamphlet The Tragic Story of the Waihi Strike was co-written by Harry Holland, Robert Samuel Ross and Francis Edward O'Flynn (O'Flynn wrote under pseudonym Ballot Box). The imprisoned strike leaders including Bill Parry were released in November against security of £1600; the bond was later found to have been put up