Denis just put the 'great' in great grandfather. 💪 Tap the link in our bio 👆 to find out more about how the 85-year-old tackled would-be robbers wielding a sawn-off shotgun and hammers in a betting shop in County Cork. Manager Tim Murphy told Irish broadcaster RTÉ that he would be forever grateful for the pensioner's help in foiling the robbery. hero grandad brave bbcnews