Ukrainian special forces units clashed with each other in a bitter downtown Kyiv shootout

Servicemen of the Security Service of Ukraine stand next to a "SeaBaby" seadrone. GENYA SAVILOV/AFP via Getty Images Two units run by Ukraine's spy agencies fought each other in a shootout in central Kyiv on Tuesday. The dramatic confrontation between GUR and the SBU centered on a disputed apartment search. Video appears to show two groups of soldiers approaching each other aggressively before shots ring out. A gunfight broke out in Kyiv on Tuesday between special forces units run by…