Bookies delighted with outsider's Aintree win

The 33-1 success of Silver Birch in the John Smith's Grand National had the major bookmakers declaring the biggest betting day of the year a "bookies' benefit".

A major last-minute gamble on Monkerhostin forced his odds into 8-1 from the 25-1 available in the morning, but that went astray when he refused at the seventh.