Representatives of the police, Security Service and the State Emergency Service came to the scene, the press service of the state concern said.
"Upon inspection of the premises, funnel and debris, it was established the blast was caused by a RGD-5 grenade, while one more grenade of the same type did not detonate due to non-activated pin. There were no casualties as a result of the blast. The windows were shattered. The extent of material damage is being established," the statement reads.
Ukroboronprom CEO Pavlo Bukin said the security measures at the concern's enterprises would be strengthened. "Law enforcers are now analyzing the evidence and surveillance footage that could have captured the perpetrators. The enterprise did not interrupt production processes," the press service said.
Reference: Cherkasy Photoprylad SE is engaged in production of weapons targeting-and-guidance and fire control systems for AFVs, gunship helicopters and artillery; anti-armor missile-weapons control systems for helicopters; night vision devices; ophthalmology equipment; farm produce processing equipment; visual aids for schools and higher educational establishments.