Tamil Nadu Chief Minister J Jayalalithaa continues to be in a "very critical" condition after suffering a cardiac arrest, Chennai's Apollo Hospital said today. The 68-year-old leader is being treated by a team of specialists at Apollo, where she has remained admitted since September this year.

Meanwhile, thousands of workers and supporters of Amma - as the AIADMK supremo is popularly known in the state - have been coming to the hospital to ask about her health. Security across Tamil Nadu has been beefed up in case emotional crowds of devoted supporters reacted strongly to further developments.

Press release from Apollo Hospital Press release from Apollo Hospital

Also read | Jayalalithaa critical: AIADMK worker from Cuddalore dies after seeing news reports

Here are the latest developments: An Apollo Hospital spokesperson said Jayalalithaa remains "very critical" and is on ECMO and other life support systems. She is being closely observed, he said. Union Health Minister JP Nadda earlier said an AIIMS team of four eminent cardiologists - Dr Naran, Dr Talwar, Dr Trehan and Dr Trikha - have left for Chennai to treat an ailing Jayalalitha. A huge crowd of emotional supporters has thronged the hospital since Sunday evening while top leaders and common people across India prayed for her well-being and recovery. All roads leading to Apollo Hospital in Chennai (Greams Road) have been blocked to avoid traffic congestion. An AIADMK member from Cuddalore district died today after seeing the news about Jayalalithaa's health. Paramilitary forces have been kept on standby while security outside the hospital, Chennai and other parts of the the state has been beefed up. Security was also hiked on the Kerala-Tamil Nadu border, including the famed Sabarimala temple in Kerala. The Karnataka State Road Transport Corporation has temporarily stopped its bus services to Tamil Nadu after one of its buses was attacked near Tiruvannamalai. Home Minister Rajnath Singh said he has spoken to Tamil Nadu Governor C Vidyasagar Rao. "There is no issue of law and order," Rajnath said. Jayalalithaa was admitted to the hospital for treatment of fever and dehydration on September 22.

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