A gas explosion shook a residential building in Iran's capital Tehran on Saturday, injuring one person, Iran's semi-official ISNA news agency reported.
Several gas cylinders kept in a basement blew up, damaging the building and injuring a resident, a fire department spokesman told ISNA.
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There have been several explosions around Iranian military, nuclear and industrial facilities since late June.
An explosion shook western Tehran in the early hours of Friday morning, causing widespread power failures in two residential areas, the Islamic republic's media reported. The precise location of the explosion, the third in so many weeks, was unclear, but there are several known military and training facilities in the area, which Western analysts said could be the target of sabotage.
According to the New York Times, the string of explosions is part of an "evolving" Israeli-American strategy of "short-of-war clandestine strikes, aimed at taking out the most prominent generals of the Islamic Revolutionary Guards Corps and setting back Iran's nuclear facilities."
Analysts told the paper that in the short term, Israel and the US are hoping the Iranian response to these alleged attacks will be limited in scope, similar to Iran's response to the assassination of former IRGC Quds Force commander Qassem Soleimani in Baghdad, last January.
Two intelligence officials updated with the damage assessment for the uranium enrichment site at Natanz told the NYT it could take the Iranians up to two years to return their nuclear program to the place it was just before the explosion. Other estimates say it will be a year or more until Iran's centrifuge production capacity recovers.
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