He wrote about this on Telegram.
The Russian forces are teaching teenagers combat tactics, and no official mobilization has been announced in the area.
"There is no mobilization in the Mariupol region. Not officially. Just recruiting a 'volunteer squad' of teenagers of military age and training them in combat tactics. There is no mobilization and no further front. However, this is not accurate," the report says.
Recently, Russian troops have changed the main traffic around the occupied Mariupol, on April 3 they massively transported trucks with munitions and trawls with equipment.