Chennai: Popular Tamil actor Vivek, who was put on extracorporeal membrane oxygenation (ECMO) support at a hospital here after he suffered a cardiac arrest, passed away on Saturday.The 59-year-old comedian died in the early hours, SIMS Hospital vice president Dr. Raju Sivasamy said in a statement.Vivek was admitted to the hospital on Friday and a cent percent “blockage” in a heart vessel was detected and he was put on ECMO support since his condition turned critical.The actor was administered the COVID-19 vaccine on Thursday. Authorities had said the cardiac arrest he suffered was not due to the vaccination.(PTI)