Chizhov also said that he hoped that the planned visit to Ukraine by members of the EU’s Political and Security Committee would “help the EU to better understand what is really happening there.”
The PSC consists of EU envoys and representatives of the European foreign policy services.
Ukrainian President Petro Poroshenko earlier said that the visit was scheduled for later this month.
Thousands of radicals and nationalists rallied outside the parliamentary headquaretrs in Kiev on Monday as the MPs were voting on a bill to give more power to regional governments.
The ensuing clashes with police left three National Guardsmen dead and hospitalized more than 140 people.
Svoboda and the populist Radical Party organized the protest to voice their opposition to the decentralization law, which they see as the first step to autonomy for the country’s independence-minded Donbass region.