sentences:  One such "occasional" use was the holding of the British Youth Festival's event for left-wing youngsters and students in the summer of 1961.Organised principally by members of the Lancashire branch of the Young Communist League, the ten-day event was notable not only for the attendance and performance of Robin Hall and Jimmie Macgregor, but also for the swarm of journalists, led by the now-defunct News of the World.The castle was last open to the public in 1985.