Three public attacks in China's Changde, Zhuhai and Yixing cities that killed dozens in the past three months, have raised alarm among many, as well as questions about underlying issues facing society. SINGAPORE: Three mass casualty incidents that played out in just nine days - the recent spate of what seems to be “revenge on society” attacks in China are raising concerns about underlying societal issues and cannot be dismissed as isolated acts of troubled individuals, analysts told CNA. A