(ANSA-AFP) - ATHENS, MAR 15 - Journalists in Greece on Wednesday staged a 24-hour walkout, part of two days of labour action this week over last month's rail tragedy that claimed 57 lives. Journalists' union Poesy said the strike was in support of "the nationwide demand to assign responsibility for the (train) crime and take all measures" to prevent further loss of life. The accident occurred shortly before midnight on February 28 when a passenger train crashed into a freight train in central Greece after both were mistakenly left running on the same track. Most of the passengers were students returning from a holiday weekend. Several people are still in hospital, and one passenger is still fighting for his life. A general strike will be held Thursday over the tragedy, which exposed decades of safety failings in Greek railways and has put major pressure on the conservative government ahead of national elections. The stationmaster and three other railway officials have been charged, but public anger has focused on long-running mismanagement of the network and the country has been rocked by a series of sometimes violent mass protests. On Sunday, about 12,000 demonstrators gathered outside parliament, while 5,000 took to the streets of the second city Thessaloniki, police said. (ANSA-AFP).