Doctors treating veteran left-wing politician Manolis Glezos, aged 97, at the 417 Army Equity Fund Hospital (NIMTS) on Thursday described his condition as "serious but stable".
Glezos was admitted to the hospital last Tuesday for a neurological complaint but was transferred to the hospital's cardiology unit for observation due to a previous heart condition.
Health Minister Vassilis Kikilias visited Glezos in hospital on Thursday, speaking with him and his doctors. Kikilias also briefed Prime Minister Kyriakos Mitsotakis, currently on a trip abroad, on the Glezos' condition and conveyed the prime minister's best wishes for a speedy recovery.
Manolis Glezos is most famous for taking the Nazi flag down from the Acropolis during the Axis occupation.