Q&A: What is the co-operative movement?

The Co-operative Group has made headlines over the resignation of its chairman, a film of its former banking head allegedly buying drugs and a rescue deal handing 70% ownership to private investors.

But what exactly is the co-operative movement and will it be possible to maintain the spirit of the group through all the changes?

Shadow Chancellor Ed Balls received £50,000 from the Co-operative Party in 2012

Rev Paul Flowers has admitted he did not have experience in banking