A seven-year-old jumps with joy as he watches his favourite horse run home on the second day of the Cheltenham Festival.<br /><br />Footage shows the boy, Lewis, jumping and screaming at the television as he cheers on Tiger Roll, jockeyed by Keith Donoghue.<br /><br />"Anyone would think he had thousands on it," said the boy's mother, Kelly Clements.<br /><br />Gordon Elliot-trained Tiger Roll joined an exclusive Cheltenham club with his third win of the Festival.
