A powerful explosion ripped through a munitions factory near the ​town of Colleferro, southeast of Rome, ‌on Thursday, local media reported, with the blast heard for kilometers around.

Firefighters and ​police were already at the ​site responding to a fire when ⁠the explosion occurred, reports said. Authorities ​were assessing whether there were any ​casualties.

The blast was reported at the former Simmel Difesa plant, now operated by KNDS Ammo ​Italy, part of the Franco-German defence ​group KNDS.

KNDS Ammo manufactures medium- and large-calibre ammunition ‌for ⁠land and naval defense systems, as well as solid propellants for aerospace launch vehicles, according to its website.

The ​company is among the contractors on European Defense Agency 155-mm ammunition framework agreements ​concluded in 2023, EU documents ​show.