Prohibitory orders under section 144 of the CrPC have been imposed across the state and teams of the Central Reserve Police Force (CRPF) along with the local police have been deployed in Banda, Mau, Ghazipur and Varanasi, Uttar Pradesh Director General of Police Prashant Kumar said earlier

People had also started gathering at Mukhtar Ansari's residence in Ghazipur and there was a large deployment of security personnel around the house

Officials at the police headquarters here said the postmortem will be conducted at the Banda medical college by a panel of doctors and the procedure will be videographed

The 63-year-old Ansari was brought to the Rani Durgavati Medical College in Banda from the district jail in "an unconscious state" on Thursday evening and died at the hospital following a cardiac arrest, according to its principal Suneel Kaushal

Umar Ansari alleged that his father was subjected to slow poisoning in jail, a charge denied by authorities

"My father had told us he was being subjected to 'slow poison'," Umar Ansari told reporters and added that the entire country knows about it now

Mukhtar Ansari was brought to the medical college around 8.25 pm on Thursday in an unconscious state after he had complained of vomiting. A team of nine doctors attended to him but he died of cardiac arrest, the medical bulletin stated