A mysterious explosions across Iran

A series of mysterious explosions across Iran – today the "busiest" in Iran since the ceasefire - summary of events as of now

Local reports in Iran reported during the day a series of explosions of unknown origin that occurred today at several locations, including:
1. Qom – residential building
2. Mashhad – airport area
3. Tehran
4. Karaj
5. Semnan
6. Tabriz (2 explosions)
7. Parchin

According to reports in official Iranian media, the cause of some of the explosions is a gas leak. There are injured in the explosions. So far, there is no indication of Israeli involvement or any other party in the events.