An engine failure on a train serving the Athens suburban railway (Proastiakos) route on Monday was expected to result in cancellations and delays.
The problem occurred at around 9 a.m. on a train en route to Athens International Airport from Piraeus, leading to the train being stopped at Koropi.
Trainose said that engineers were working on restoring services.
Municipal authorities in Athens have announced measures to protect homeless people and other vulnerable groups in the Greek capital from the cold weather as temperatures drop.
Municipal teams will be active in the city center seeking out homeless people to provide them with blankets, clothing and information about organized shelters.
The wreck of a torched car is seen in Exarchia, downtown Athens, yesterday after riots on Thursday night that followed rallies marking the 10th anniversary of the police killing of Alexis Grigoropoulos, 15. More than 100 people were detained in the unrest that caused widespread damage. [Pantelis Saitas/ANA-MPA]