Overview
- Roughly 400 officers from national police, CRS, customs and border police targeted a single 16‑storey tower in the Mistral district.
- Investigators searched most of the building's approximately 64 apartments, forcing dozens of doors after finding 24 vacant units welded shut by dealers.
- Seized items included about 11 kilograms of narcotics, €10,000 in cash, a firearm and ammunition, according to the Grenoble prosecutor.
- Four people were arrested as authorities reported regaining control of the building and restoring access to sealed flats.
- Authorities said the operation remains underway with similar actions planned in other Grenoble neighborhoods in the coming days.