The Russian emergency service stated that a sizable fire that started at a fertiliser warehouse in the town of Ramenskoye in the Moscow region on Sunday had been put out.
Before it was contained and put out, the fire had grown to a size of 2,700 square meters, according to the Russian state news agency RIA.
Videos of the fire posted online earlier showed thick black smoke and a flame, seen from hundreds of metres away.
Moscow region prosecutor’s office said the preliminary cause of the fire was a violation of fire safety requirements during welding work, TASS state news agency reported.
All employees had left the premises, the agency reported citing the warehouse’s owners.