P205 CEEFAX 205 Sat 25 Aug 23:31/47       Transport Secretary Mr Nicholas Ridli8 has condemned the national dock strike as one of the craziest examples of industrial action ever. In a statement today, hj said thjrj was no industrial issue at stake - no quarrel between employer and worker. The walkout was just the latest chapter in efforts to win support for "the political challenge" being mounted bz the miners' president, Mu Arthur Scargill, hj said. A union spokesman said yesterday that the strike was in protest at a decision by British Steel to unload a blacked coal ship at Hunterston.