"Investigators and law enforcement agencies have not recorded the presence of subversive groups in Vinnytsia region, as reported by Facebook and others. There is no information about that. The investigation does not have any data on unmanned aerial vehicles," he said at a briefing in Odesa on Thursday.
According to Matios, anti-terrorist exercises, which were announced by Vinnytsia Regional State Administration and the Ukrainian Security Service, have not actually begun.
"We need to establish the reasons why this happened, whether it was inadequate storage, improper fulfilment of duties, or actual sabotage. All of these scenarios are being investigated," he said.
As reported, a fire broke out at ammunition depots in Kalynivka on September 26, which subsequently led to artillery shells exploding. About 30,000 people were evacuated from the zone of possible danger.
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