On 15 December 2023, Serhiy Batryn, 54, a Ukrainian councilman, detonated three grenades at a meeting in the village of Keretsky, Zakarpattia Oblast, Ukraine.

The resulting explosions killed one person and injured 26 others, six of them gravely.

[2] A second person died one month later as a result of the injuries.

[4] A suicide note was found in Batryn's home.

[5] The event was live-streamed and posted on Facebook by the National Police of Ukraine.