Was Emily Wilding Davison a hero?

In June 1913, Emily Wilding Davison (a long time suffragette) threw herself in front of the king's horse at the Epsom Derby.  She died 3 days later.  It caused news to spread round the world and the profile of the suffragettes and their plight was raised. Was Emily Wilding Davison a hero?  This was the question that we were debating while examining evidence from 1913 including footage from Derby Day, newspaper reports and headlines, the diary of the King, hatemail, suffragette speeches and a letter to Emily Wilding Davison from her mother.