Iran has offered to help Denmark investigate what it described as 'baseless' allegations that the Iranian intelligence services planned to carry out an attack on Danish soil, Iranian media reported.

Denmark recalled its ambassador to Iran earlier this week after Danish police accused Tehran of planning to carry out attacks on Iranian exiles in the Scandinavian country, describing the situation as "very serious."

Speaking on Saturday, Iranian Foreign Minister Mohammad Javad Zarif reiterated Tehran's denial of any wrongdoing, and said the accusations were just "baseless allegations."

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"We see in this case a clear attempt by the Zionist regime [Israel] to torpedo relations between Iran and the EU," he said in a phone conversation with his Danish counterpart Anders Samuelsen, according to news agency ISNA.

Iran was prepared to cooperate with the Danish security authorities in an investigation, he said, explaining that it was also vital for Tehran to clarify the circumstances surrounding the "conspiracy."

Israeli newspaper Jerusalem Post reported that information on the alleged plot had been passed to Copenhagen by Mossad, the Israeli secret service.

Finn Borch Andersen, the head of the Danish security service PET, has said that a Norwegian citizen born in Iran is in pre-trial detention in connection with the case. The suspect denies any involvement in a plot.

According to PET, Iranian authorities planned to target exiled members of a group called the Arab Struggle Movement for the Liberation of Ahvaz - Iran (ASMLA).

Three members of ASMLA are still under Danish police protection, as the "threats have not been eliminated," the PET chief said on Tuesday.