Prominent Greek journalist Yannis Amanatidis has died at the age of 77 following a period of health issues. Amanatidis had a long and distinguished career in Greek journalism, though specific details of his work were not provided in the initial report. His death was announced today, marking a loss for the Greek media landscape. The cause of death was attributed to ongoing health problems he had been experiencing recently. Further information regarding funeral arrangements and a more detailed obituary are expected to be released. He is survived by [information not provided in text]. His passing represents the end of an era for many in the field.