Lucknow: In a sequence of events shrouded in suspicion and allegations, the recent hospitalization and subsequent demise of convicted former legislator Mukhtar Ansari have sparked controversy and demands for a thorough investigation. Ansari, who was lodged in Banda jail in Uttar Pradesh, complained of abdominal pain and was hospitalized before his death, allegedly due to a cardiac arrest. However, his son, Umar Ansari, has raised serious concerns about foul play, citing instances of alleged poisoning and lapses in medical treatment.