A bomb has killed a senior Russian general in charge of nuclear protection forces and another man in Moscow, the RT state media group reported, citing an unidentified law enforcement source.
Russian media said Lieutenant General Igor Kirillov, who is chief of Russia's Nuclear, Biological and Chemical Protection Troops, had been killed on Ryazansky Prospekt on Tuesday.
Russian news Telegram channels also reported that Kirillov had been killed but there was no official confirmation of the killing.
TASS state news agency said two people were killed in an explosion on Moscow's Ryazansky Prospekt.
A criminal investigation was opened in connection with the death of two men on Ryazansky Prospekt, Russia's RIA state news agency reported, citing Moscow investigators.
Ryazansky Prospekt is a road that starts some 7km southeast of the Kremlin.
Investigators and forensic experts were working at the scene together with employees of other emergency services, TASS agency reported.