More than 100 people were detained in eight cities across Russia after they came to lay flowers in memory of Navalny, according to OVD-Info, a group that monitors political repression in Russia. On Saturday, police blocked access to a memorial in the Siberian city of Novosibirsk and detained several people there as well as in another Siberian city, Surgut, OVD-Info said. A video shared on social media from Novosibirsk showed people sticking red flowers upright in the snow under the watchful eye of police who blocked access to the memorial with tape. In Moscow, flowers were removed overnight fr…