A Russian tycoon has been found dead in suspicious circumstances.
Billionaire Alexander Subbotin, 43, a former top executive with Kremlin-friendly energy giant Lukoil, is the latest in a number of high profile deaths since the start of the war in Ukraine.
The mogul had had sought the advice of shamans to cure a hangover, says the official version, but his death comes as other prominent fatalities are under the spotlight with critics of Putin's regime saying they could be murders.
