An exhibition about Red Rum - one of the world's most famous horses - has opened in the town where he trained. He won the Grand National an unprecedented three times - in 1973, 1974 and 1977. A mural by the artist Paul Curtis, best known for his street artwork The Liver Bird Wings, also features in The Atkinson gallery in Southport. Aintree Racecourse historian Jane Clarke said the exhibit celebrated one of its "true local heroes". Bought with a debilitating bone disease, he