New Delhi: Justice Arumughaswamy Commission, which is investigating the death of late Tamil Nadu Chief Minister J Jayalalithaa has sumoned Deputy CM O Panneerselvam, UK doctor Richard Beale, Tamil Nadu Health Minister C Vijayabaskar and Deputy Speaker of Lok Sabha M Thambidurai to appear before it for interrogation.Also Read - Video: Sasikala Visits Jayalalithaa's Memorial For First Time Since Jail Release

Earlier, Panneerselvam was summoned by the commission on December 20. Notably, he was  one of the first AIADMK leaders, who had demanded a probe into the circumstances surrounding Jayalalithaa’s death.
Following Jayalalithaa’s death, suspicion on the circumstances leading to her death was raised by several people, including Panneerselvam and his followers. Also Read - Jayalalithaa Wanted Aishwarya Rai Bachchan To Play Her Role In Thalaivii, Not Kangana Ranaut, Reveals Simi Garewal

In his first public comments on February 8 last year on Jayalalithaa’s hospitalisation, Panneerselvam, then Chief Minister, had said he could not meet her even once during her 75-day hospitalisation. Also Read - Thalaivii Movie Review: Rise And Rise of Kangana Ranaut!

In September 2017, the state government constituted the panel under the Commissions of Inquiry Act, 1952.

The panel’s terms of reference was to inquire into the circumstances leading to Jayalalithaa’s hospitalisation on September 22, 2016, and treatment provided till her death on December 5, 2016.

After unification of the factions led by Chief Minister K. Palaniswami and Panneerselvam in August 2017, the government notified constituting the panel. The probe was a key precondition put forth by Panneerselvam for the merger.

(With inputs from agencies)