A crane removes debris of a train after a collision in Tempe, about 376 kilometres (235 miles) north of Athens, near Larissa city, Greece, Wednesday, March 1, 2023. AP

Students sit as they hold candles during a tribute to the victims of a deadly train accident on February 28, 2023, near the city of Larissa, central Greece where 38 people died, mainly students, outside the Hellenic Train headquarters, in Athens, on March 1, 2023. AFP

Students sit as they hold candles during a tribute to the victims of a deadly train accident on February 28, 2023, near the city of Larissa, central Greece where 38 people died, outside the Hellenic Train headquarters, in Athens, on March 1, 2023. - Hundreds took to the streets in Athens, blaming the government for the privatisation of the Hellenic Train company after a deadly collision between two trains caused a derailment near the Greek city of Larissa late at night on February 28, 2023, authorities said. The Greek government announced 3 days of national mourning. AFP

Police stands by burning trash bins during a demonstration following a deadly train accident on February 28, 2023, near the city of Larissa, central Greece where 38 people died, outside the Hellenic Train headquarters, in Athens, on March 1, 2023. AFP

Police throw tear gas towards protesters during a demonstration following a deadly train accident on February 28, 2023, near the city of Larissa, central Greece where 38 people died, outside the Hellenic Train headquarters, in Athens, on March 1, 2023. AFP

Firefighters and rescuers operate after a collision in Tempe near Larissa city, Greece, Wednesday, March 1, 2023. A train carrying hundreds of passengers has collided with an oncoming freight train in northern Greece, killing and injuring dozens passengers. AP

This photograph taken on March 1, 2023, shows a slogan sprayed onto a glass window translating into Murderers-revolution now as protesters escape tear gas during a demonstration following a deadly train accident on February 28, near the city of Larissa, central Greece where 38 people died, outside of the Hellenic Train headquarters in Athens. - Hundreds took to the streets in Athens, blaming the government for the privatisation of the Hellenic Train company after a deadly collision between two trains caused a derailment near the Greek city of Larissa late at night on February 28, 2023, authorities said. The Greek government announced 3 days of national mourning. AFP

Protesters try to avoid tear gas thrown by riot police in front of the Greek Parliament, in Athens, on Wednesday, March 1, 2023. AP

Firefighters and rescuers supported by two cranes, search through the wreckage after a trains collision in Tempe, about 376 kilometres (235 miles) north of Athens, near Larissa city, Greece, Thursday, March 2, 2023. AP

Firefighters and rescuers supported by three cranes, search the trains after a collision in Tempe, about 376 kilometres (235 miles) north of Athens, near Larissa city, Greece, Thursday, March 2, 2023. Emergency workers are searching for survivors and bodies after a passenger train and a freight train crashed head-on in Tempe, central Greece just before midnight Tuesday. It was the country s deadliest rail crash on record. AP