
Vladlen Tatarsky, whose real name was Maxim Fomin, was killed in a bomb blast at a cafe in St Petersburg on Sunday.
A woman called Darya Trepova was identified by some Russian media as a suspect online, though the interior ministry made no reference to the Tatarsky killing on its site which showed she had been put on its wanted list.
Fomin, who had 560,000 followers on the messaging app Telegram, was one of the most prominent of Russia’s war bloggers – a mixed group of war veterans and correspondents who have championed Russia’s campaign in Ukraine, while also offering stinging criticism of the Russian military leadership.