Two senior citizens were found dead in their homes during separate firefighting operations in the northern city of Thessaloniki and the island of Lesvos on Thursday.
The first victim was a woman who was discovered in her burned apartment in the municipality of Ambelokipi-Menemeni in Thessaloniki early Thursday morning.
Six fire-fighters were sent to put out the blaze that damaged the apartment.
The second victim was a man who died when a fire started in his house in Mantamados, western Lesvos.
The Fire Service is investigating the circumstances of their deaths.