Another explosion rocked the Sloboda munitions plant in western Serbia, following a bigger incident a few days earlier, the Serbian state TV (RTS) reported on Monday.
It said that the explosion was heard from the plant in the city of Cacak at around 9 pm on Sunday, adding that smoke was reported to be billowing out of one of the plant buildings. Local media quoted local residents who confirmed that they heard the blast and saw smoke but could not say whether a fire broke out.
The police blocked off the plant within minutes and was not allowing plant employees onto the grounds early on Monday morning.
A series of explosions followed by a fire shook the Sloboda plant and surrounding area on the night of Thursday-Friday. Firefighters and Serbian military helicopters managed to put the fire out on Friday.