Third-largest political party is 100 years old
Media playback is unsupported on your device
Video

Co-operative celebrates 100 years as political party

The Co-operative name is probably better known for retail, but the political party turns 100 years old on Tuesday.

Members are holding a commemoration ceremony in Westminster's Methodist Central Hall and Daily Politics reporter Elizabeth Glinka looked into the archives of the group that has links to other political parties.

Go to next video: More co-operatives about than you think?