Vandals smash through security gate and tear up turf at Aintree just one week before world famous Grand National…but bosses vow the race WILL go ahead It's believed vehicle was used to smash through gate and drive onto racecourse White perimeter fences were snapped off and deep tyre marks seen on grass It comes seven days before prestigious race is held at the Liverpool racecourse A Grand National spokesman promised the race would go ahead as planned