[2] However, by the time the runners had reached The Chair the Australian chaser Crisp, who was carrying the top weight of 12 stone, had already built up a significant lead and appeared unstoppable.

At the same time, he heard the Tannoy commentator Michael O'Hehir declare: "And Red Rum is coming out of the pack, Brian Fletcher is kicking him hard!

"[4] At the 30th and final fence, Crisp was still 15 lengths ahead of Red Rum, ridden by Fletcher and given 10 stone 5 lb by the handicapper.

Grey Sombrero is one of three horses to have been fatally injured while jumping The chair in the Grand National (the others were Land Lark in 1975 and Kintai in 1979).

Grandstand would also show the international rugby union match between Scotland and The President's XV from Murrayfield, along with a preview of the big heavyweight bout from San Diego between Muhammad Ali and Ken Norton, that was shown later on BBC 1 in a Sportsnight special.