TEHRAN, Iran (AP) — Iran has summoned the Danish ambassador to Tehran over Copenhagen's allegations about an Iranian plot to kill an opposition activist in Denmark, the official IRNA news agency reported Wednesday.

Iran expressed a "strong protest" to Ambassador Danny Annan over what it described as the Danish officials' "hasty, political" and "uncalculated actions" in the case.

The development came after Denmark's intelligence agency said on Tuesday that a police operation last month that briefly cut off Copenhagen from the rest of Denmark stemmed from an alleged Iranian plot to kill an opposition activist. It said a suspect in the case, a Norwegian citizen of Iranian descent, has denied wrongdoing and is being held in pre-trial custody until Nov. 8.

Iran's foreign ministry strongly denied the plot allegation, calling it part of enemy plans aimed at damaging Iran-EU relations.

Danes say intelligence shows Iran was planning to kill a member of the Arab Struggle Movement for the Liberation of Ahwaz, or ASMLA, a group that Tehran has blamed for the Sept. 22 terror attack on a military parade in the Iranian city of Ahvaz that killed at least 25 people. ASMLA condemned the violence and said it was not involved.

Denmark condemned Iran for recalling its ambassador to Tehran for consultations.

"We are looking at the situation in Denmark as being very seriously and not least because there is a Norwegian of Iranian descent involved," Norway's Prime Minister Erna Solberg said.

Her government had not yet decided yet what it would do pending a Norwegian police probe, she added.

Associated Press writer Jan M. Olsen in Copenhagen, Denmark, contributed to this report.