Foreign Minister Paolo Gentiloni told parliament that claims that a USD 12-million (10-million euros) ransom had been paid to free the two young women were "unfounded rumours" emanating from terrorist organisations which should not be given any credence.
But he stopped short of categorically denying any money had changed hands, and came under attack for what was interpreted as a deliberately ambiguous presentation of what had happened.
Greta Ramelli, 20, and Vanessa Marzullo, 21, spent much of the time today being questioned by anti-terrorism prosecutors after arriving back in Rome from Turkey in the early hours of the morning.
Italian media reported that the women had later told a prosecutor they were unaware if any ransom had been paid. They also said they had generally been well treated during their captivity and always kept together despite being moved from place to place.
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Gentiloni told the Chamber of Deputies that "in terms of hostage taking Italy respects international rules".
He added: "We are against paying ransoms and we take part alongside other countries in multilateral efforts to combat the phenomenon of kidnapping.
The statement was slammed by opposition lawmakers. "The minister should have told us whether or not the Italian government paid a ransom," said Maria Edera Spadoni of the populist Five Star movement. "His statement was useless and that is shocking."
Gentiloni said it had been difficult to know who was holding the two women following their kidnapping on the night of July 31-August 1, 2014.
Italian officials had to deal with a myriad of groups and sub-groups amid a media war between different factions which further blurred the situation, the minister said.
But he defended the idealism of the young women, who were working on their own health and clean water initiative, known as Horryaty. "It is not acceptable to say they asked for it," the minister said to cheers in parliament.