Iran's Islamic Revolutionary Guards Corps (IRGC) has denied that it or Islamist militia fighters had besieged the home of opposition leader Mehdi Karrubi.
The IRGC said in a statement that Karrubi's home, under seige since last week, was carried out by "rogue elements" who were not linked to the Revolutionary Guards or to the Basij militia.
Attackers had shotguns and threw Molotov cocktails at the building, injuring Karrubi's chief bodyguard.
Karrubi's website, Saham News, had said militants and "more than 50 members of the Basij," a volunteer force loyal to Supreme Leader Ayatollah Ali Khamenei, had surrounded his house and carried out the attacks.
compiled from agency reports