According to eyewitnesses on social media, a massive fire broke out shortly after the blasts, with flames visible from a distance. Iranian officials have not yet issued any statement on the cause of the incident, fueling speculation among local residents.

Shahriar is home to several industrial facilities and military-related infrastructure, raising questions about whether the explosions were accidental or part of a deliberate act. In recent months, Iran has seen a string of mysterious fires and explosions at sensitive sites, often attributed to sabotage or technical failures.