BRUSSELS — The European Union said Monday that it “strongly condemns” the use of forged European passports by the suspected assassins of a Palestinian leader, but it avoided any direct criticism of Israel, which has been accused of mounting the attack.

The E.U.’s declaration came as foreign ministers from some of the nations whose passports were counterfeited met individually with their Israeli counterpart, Avigdor Lieberman, who was in Brussels for a series of meetings.

The police in Dubai police have accused Israel’s intelligence agency, Mossad, of using fake European passports and credit cards to help plan the murder of Mahmoud al-Mabhouh, a founder of Hamas’s armed wing, in a Dubai hotel in January.

But the European Union avoided apportioning any blame for the attack in a statement, issued by foreign ministers, which called the murder “profoundly disturbing,” and added that it “cannot be conducive to peace and stability in the Middle East.”

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No measures were threatened against the Israeli government, nor did the European Union identify what steps might be taken next, except for cooperation with police inquiries. “At the present time, the member states have been extremely angry at what happened,” said Catherine Ashton the E.U. foreign policy chief. “These discussions are ongoing — that’s where we are.”