A shootout occurred on Wednesday, September 3, 2026, in the center of Kyiv between the Security Service of Ukraine (SBU) and the Military Intelligence Directorate (HUR). ^[1] President Volodymyr Zelensky condemned a shootout between Ukraine's military intelligence agency (HUR) and the State Security Service (SBU) in Kyiv as a disgraceful incident. ^[2] The armed confrontation broke out between HUR and SBU agents over the detention of Stepan Kaplunov, the deputy commander of the Russian Volunteer Corps. ^[3] President Volodymyr Zelensky described the incident as 'absolutely shameful' and announced a thorough investigation into the circumstances. ^[4] The HUR agents opened fire believing Kaplunov had been kidnapped, resulting in three HUR agents being wounded. ^[5] The SBU was conducting an investigation into a potential plot against Stepan Kaplunov, a leader of the Russian Volunteer Corps, when the incident took place. ^[6] HUR personnel and Kaplunov's lawyers have accused SBU officers of illegally detaining him without a warrant. ^[7] Three officers were reported to have been injured during the shootout in the streets of Kyiv. ^[8]