Clashes erupted briefly between police and a group of demonstrators in central Athens on Sunday on the fringes of a protest by thousands of students and railway workers over Greece’s deadliest train crash in living memory. After protests over the past three days across the country, some 10,000 students, railway workers and groups affiliated with left-wing parties gathered in an Athens square on Sunday to express sympathy for the lives lost and to demand better safety standards on the rail network. ”A station master in the nearby city of Larissa who was on duty at the time of the crash was charged this week with endangering lives and disrupting public transport