The corresponding post was published on her Telegram channel.
"Maria Kolesnikova should be released immediately, like all previously detained members of the coordination council and political prisoners," she said.
Earlier, the State Border Committee of Belarus confirmed that Kolesnikova was detained, and representatives of the Constitutional Court of the opposition of Belarus Ivan Kravtsov and Anton Rodnenkov left the country.
On September 7, information appeared about the disappearance of Maria Kolesnikova.
The Minsk police department said they were checking the data.
In August, the head of the Lithuanian Foreign Ministry, Linas Linkevicius, announced that Tikhanovskaya was in Lithuania. Later, the State Border Committee of Belarus confirmed the departure of the politician to Lithuania.