Two railway workers killed, another two injured in Serres accident

Two railway employees were killed and another two injured in Serres, northern Greece, on Monday following an accident.
The incident occurred when a maintenance device collided on the tracks with another machine in the area of Toumba. Two workers were killed instantly and two more taken to the hospital, where one is being treated for serious injuries.
The Hellenic Railways Organization (OSE) is investigating the incident.