Chennai, Dec 4  President Pranab Mukherjee on Sunday wished Tamil Nadu Chief Minister J.Jayalalithaa a speedy recovery.

"Distressed to hear about CM Jayalalithaa suffering a cardiac arrest, my prayers for her speedy recovery," the President tweeted.

On Sunday evening, Jayalalithaa suffered a cardiac arrest, said Apollo Hospitals where she is undergoing treatment since September 22.

The 68-year-old AIADMK supremo was admitted for treatment of fever and dehydration on September 22, but doctors later said she needed a longer hospital stay as she was suffering from infection, and put her on respiratory support.