Yesterday: Iran: explosion at a fireworks factory

The drone factory just happens to be very close to the fireworks factory.

quote:

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The Iran Aircraft Manufacturing Industrial Company (HESA), which produces a variety of aircraft for Iranian and pro-Iranian forces, is located in Shahin Shahr, sparking speculation on social media that the explosion was related to it.
The blast actually took place at HESA and not at the explosives factory, The Guardian reported later on Sunday. The explosion was linked to the shooting down of a drone by Israel near the Jordanian border last week, the report said. Prime Minister Benjamin Netanyahu said it was an Iranian drone sent from either Iraq or Syria. The IDF collected fragments of the destroyed aircraft for further examination.

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And the source: the Jerusalem Post!
https://www.jpost.com/breaking-news/nine-hurt-in-blast-at-irans-isfahan-province-report-668876