"In general, the local elections in Ukraine were held peacefully. There were minor nuances - such as voting without passports and presence of two persons in a voting booth," he said.

According to Niziol, he has been observing elections in Ukraine since 2010.

Read alsoUkraine, Poland to integrate gas transportation systems"I organize volunteers to help in the elections in Ukraine. This year, we observed the elections in Lviv and Odesa. Two groups of international observers visited about 100 polling stations in order to collect and compile information on the elections in Ukraine. The conclusion is the following: these are the most peaceful elections in Ukraine we've ever observed," Niziol said.