At a briefing on April 22, Ukrainian Security Service (SBU) spokesperson Maryna
Ostapenko blamed Russia for the building seizures and armed assaults, and
accused it of violating a de-escalation agreement that was brokered in Geneva last
week by diplomats from the U.S., European Union, Ukraine and Russia.
Ostapenko added that there is mounting, irrefutable evidence of Russian
special-ops troops and military intelligence personnel engaged in operations in eastern
Officials in Moscow have denied the accusations, even though Russian President
Vladimir Putin admitted last week on television that Russian troops took part
in the annexation of Crimea in February and March. Military and defense experts have
asserted that Russia is duplicating the Crimea operation in eastern Ukraine via
a stealth invasion using armed, masked men and special forces.