This is what Hristo Grozev of the investigative journalism website Bellingcat has told the "Horizont" program of the Bulgarian National Radio.
"It's very difficult not to see the link between this group of GRU officers and the explosions." At least two of them have received the Hero of the Russian Federation award since the operation, according to a Belingcat investigation.
Grozev links the actions to the war in Ukraine. Certain type of anti-tank ammunition was then exported to Kiev. The ammunition "had a key effect on the balance in the war at that time," analyzes show. /BGNES