An explosion at a munitions and explosives factory in northwestern Turkey has killed at least 12 people and injured four others.
The explosion occurred at 08:25 local time (05:25 GMT) at a capsule manufacturing workshop, Balkesir city governor Ismail Ustaoglu said.
Interior Minister Ali Yerlikaya said the cause was still unclear, but authorities had ruled out sabotage.
Videos from the scene showed a fireball erupting from the factory, destroying part of the building, followed by a plume of dark smoke.
Additional footage of the aftermath shows damaged pieces of steel littering the surrounding area.
The explosion caused tremors throughout the town of Köteyli, witnesses told CNN Turk.
Multiple firefighting teams were dispatched to tackle the blaze, and health and safety teams were dispatched to the area, officials said.
“I wish God's mercy to our deceased citizens and a speedy recovery to our wounded,” Mr Ustaoglu said in a post on social media
An investigation into the circumstances leading to the explosion has been launched, said Justice Minister Yilmaz Tunc.