hello, i m frankie mccamley. a number of people have been have been arrested at one of the most prestigious horse races in the world, the grand national. a number of protesters made their way onto the track at antrie their way onto the track at aintree which had delayed the race. as you can see from these images the protesters got right onto the course. animal rights activists had warned they would try to disrupt the world famous race. a large number of police had been deployed to the raceground and they went onto the course to remove the protesters. the start of the race was delayed for m minutes whilst the protesters were cleared from track. the race eventually went ahead and was won by corach rambler ridden by the jockey derek fox. our correspondent sharon barbour has been following the developments in aintree. she s been speaking to protesters to get their perspective on the afternoon s activity. people cut through the defences to get onto the track. you 500 million peop