A still image taken from a video released on the internet by Islamic State-affiliated Amaq News Agency, on June 7, 2017, purports to show a man with a gun walking in office said to be inside Iranian parliament in Tehran, Iran. Social Media Website via Reuters TV

Islamic State claimed responsibility and released a video purporting to show gunmen inside the parliament building and one body, apparently dead, on the floor.
The rare attacks were the first claimed by the hardline Sunni Muslim militant group inside in the tightly controlled Shi’ite Muslim country. Islamic State has regularly threatened Iran, one of the powers leading the fight against the militants’ forces in neighboring Iraq and, beyond that, Syria.
The raids took place at a particularly charged time after Iran’s main regional rival Saudi Arabia and other Sunni powers cut ties with Qatar on Monday, accusing it of backing Tehran and militant groups.
The incident could exacerbate tensions in Iran between newly re-elected President Hassan Rouhani, a pragmatist, and his rivals among hardline clerics and the powerful Islamic Revolutionary Guard Corps (IRGC).
Attackers dressed as women burst through parliament’s main entrance in central Tehran, deputy interior minister Mohammad Hossein Zolfaghari said, according …
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