Complex sentence: This was a more militant organisation led by the autocratic Emmeline Pankhurst and she saw them in action at the "Women's Parliament" which was held on 24 February 1907 at Caxton Hall.
Split into simpler sentences: This was a more militant organisation led by the autocratic Emmeline Pankhurst. Haig she saw them in action at the "Women's Parliament" which was held on 24 February 1907 at Caxton Hall.