This RIA Novosti by phone from Nur-Sultan said the head of the delegation of the Federation Council Vladimir Poletaev.

“We exchanged results with other observers from the IPA CIS, we are 57 people.

No one recorded violations that could affect the outcome of the referendum,” he said.

The parliamentarian also noted the high level of organization of the referendum.

Earlier, Secretary General of the Shanghai Cooperation Organization (SCO) Zhang Ming commented on the course of the referendum on the Constitution in Kazakhstan.

On June 5, a referendum on amendments to the country's Constitution is being held in Kazakhstan.