He said that Matvienko "will soon be a guest on Belarusian soil."
"Together with (the chairman of the Council of the Republic, the upper chamber of the parliament of Belarus. -
RT
) Natalya Ivanovna Kachanova, they will hold a forum of regions at the end of September," Mezentsev was quoted as saying by TASS.
Earlier, Russian Prime Minister Mikhail Mishustin said that progress has been made on many issues of the Russian-Belarusian agenda, including the future of the Union State.