Horse racing carries risk, just like football or F1, a boss at the Aintree course has told Sky News - as today's Grand National faces renewed scrutiny despite changes intended to make it safer. Two horses were put to death after falling at fences at the Merseyside track - Giovinco in Friday's first race and Pikar in the last. They were the first deaths at this year's Grand National Festival on the second day and comes after four fatalities last year - including in last year's showpiece race. The... Read this story