Russian forces have fired North Korean missiles at Ukraine some 50 times since launching its invasion in Feb. 2022, according to Ukranian investigators, including at least three DPRK ballistic missiles that hit the city of Kharkiv.

In a press conference on Thursday, Oleksandr Filchakov, head of the Kharkiv Regional Prosecutor’s Office, specified that Russia has used DPRK missiles in at least six regions of Ukraine.

“In total, since the beginning of Russia’s full-scale invasion, there are around 50 recorded cases in which Russia used North Korean missiles,” he said.

Ukrainian authorities have officially documented at least one case of Russia