Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.Gangster-turned-politician Mukhtar Ansari died of cardiac arrest in Uttar Pradesh on Thursday. However, controversy has erupted after his son's 'poisoning' charges.