A would-be thief tackled by a Co-op boss as he tried to steal alcohol later returned to the shop and set it on fire in a terrifying revenge attack. Angry at being foiled in his violent bid to shoplift booze from the store in Cheriton High Street, Shaun Brocklehurst went home to collect a petrol can. He then returned to the shop, poured accelerant over the entrance and set it alight while staff were inside and passers-by watched in horror. The 43-year-old was told his actions could have had the “unthinkable consequences” of people becoming trapped and losing their lives. Fortunately, and despit…