A probe has been initiated into the deaths that happened during Jallikattu events. Reports said that four people had lost their lives and many injured during the bull taming sport held at different places.A 26-year-old 'jallikattu' spectator was gored to death by a bull outside the sporting arena at Alanganallur on Friday, police said. In what appeared to be a freak mishap, Sridhar sustained grievous injuries after he was attacked by a bull off the exit and bull collection point. A native of Sholavandhan village near here, he travelled to Alanganallur to witness the sport. Another onlooker, Chellapandi of Oothupatti village too died and the reason for his death is being ascertained, they said.