Ukroboronprom
A NATO representative was one of those killed in the explosion at the Ukroboronprom testing station in Krolevets district of Sumy region, Tetiana Mironenko, an employee of the Prosecutor's Office of Sumy, wrote on Facebook.
The representative was monitoring the disposal of the missile warheads.
"Three dead, including a NATO representative who monitored the disposal of the missile warheads. Two more victims with injuries were taken to hospitals in the towns of Sumy and Shostka," the report stated.
The NATO representative was a citizen of Ukraine, who was at the testing station under a special NATO program to assist in the disposal of ammunition.