A 41-year-old South Carolina man who loved to celebrate the Fourth of July died Thursday after a firework exploded on top of his head. Allen Ray McGrew of Summerville was in the midst of a block party when the incident took place, according to the Post and Courier. A police report said during the party, at about 10:30 p.m., Paige McGrew saw her husband put a firework on the red, white and blue top hat he was wearing, “which she believes was done to show off.” “She was trying to tell Allen not to do that when the firework went off and she observed Allen collapse,” the report said, according to …