The man was last seen on July 25, 2015, leaving his house, police press service reports.
Medvedev is described as 70, 163-166 сm, with a thin build, grey-haired and unshaven. He has a difficulty walking due to a leg disease. He walks with a springy gait.
He was last seen wearing a grey bucket hat with a small zippered pocket, a color-striped T-shirt with breast pockets, dark-grey pants and beige or yellow leather shoes.
He had on him a passport, a yellow plastic bag with personal belongings and a carton of cigarettes.