Four persons suspected of being involved in Thursday's deadly attack in Iran's port city of Chabahar have been arrested on Saturday, an official said.
At least three persons, including the attacker, were killed and 48 others injured in the suicide bomb attack at the Chabahar's police headquarters in Sistan and Baluchestan Province on December 6, Xinhua reported.
Prosecutor General of Zahedan city in Sistan and Baluchestan Province, Ali Movahhedi Rad, said further investigations are underway to identify the major elements behind the terrorist attack, Tasnim news agency reported.
Iranian officials accused foreigners of being behind the deadly attack.
--IANS
vin/pgh/
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