An explosion at an Amsterdam gym last week, injuring seven, is now believed to be linked to individuals manufacturing explosives. Dutch authorities report the suspects were actively making explosive devices at the location. Investigators discovered evidence suggesting the gym was being used as a workshop for bomb-making, rather than the blast being accidental. While the motive remains unclear, authorities are treating the incident as a deliberate act. No arrests have been made as of yet, but the investigation is ongoing, focusing on identifying those involved and determining the intended target. Police are appealing for information from the public to aid the inquiry and assess any potential further threats.