BHOPAL: Organisations working for welfare of survivors of the 1984 Bhopal gas tragedy today alleged that former Union Carbide Chairman Warren Anderson died unpunished due to protection by the US government and deliberate negligence of Indian government in bringing him to justice...The organisations held a meeting in front of the defunct factory of Union Carbide here after news of the death of Anderson spread...The former chief of Union Carbide Corporation, who was wanted in India for the tragedy which claimed more than 3,000 lives in one of the world's most lethal industrial accidents, died in the US state of Florida, aged 92.