On 20/03/2013 4 SUVs burned down in Voronezh. Police suspects arson.
On 02/04/2013 somebody threw an armed frag grenade into police station lobby in New Voronezh (Voronezh region). Cops arrested a suspect, no further news about his fate or reasons for action.
On 08/04/2013 2 Mercedes and Volvo were torched in Northern Moscow.
Source: https://blackblocg.info/ (all news come from corporate media)