Athens (IP) - The death toll from the head-on collision of two trains in central Greece has risen to at least 40 people, with many more missing, also several of those wounded remained in critical condition.

Iran PressEurope: On Wednesday afternoon, the Hellenic Broadcasting Corporation (ERT) reported that 50 to 60 people were still unaccounted for after the crash in the town of Tempe.

Later in the day, the Greek transport minister, Kostas Karamanlis, submitted his resignation, saying it was “the least he could do to honour the memory of the victims”, and lamenting the state’s “long-standing failures”.

Rescuers searched Wednesday through the burned-out wreckage of two trains that slammed into each other in northern Greece.

The cause of the crash near the Vale of Tempe, a river valley about 380 kilometers (235 miles) north of Athens, was not immediately clear, but the stationmaster in the nearby city of Larissa was arrested Wednesday. The police did not release his name. Another two people have been detained for questioning.

Iran Sympathizes with Greece on Fatal Train Crash

Iranian Foreign Ministry Spokesman Nasser Kana'ani sympathized with the Greek government and nation on a deadly train collision in the European country.

Kana'ani condoled the families of the victims and wished speedy recovery for those killed in the incident.

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