Interview: Author Michael Morpurgo calls for footballer and war hero Walter Tull to be recognised

The popular children's author Michael Morpurgo is calling for a former Northampton Town footballer to be given a posthumous award for his service during World War One.

Walter Tull was the first black officer in the British Army but was killed in action in 1918. Morpurgo - who's written a book based on Tull's life - wants his courage to be recognised by the Ministry of Defence.