the coronavirus, and had previously worked at Edinburgh University. The 45-year-old was found dead in St Petersburg on Saturday after falling from the fourteenth floor of a building, and allegedly with a stab wound to his body.Russian newspaper Moskovsky Komsomolets claims the Russian Investigative Committee has opened an investigation into the death and that a 45-year-old man has been arrested.The news outlet reported that Mr Kagansky had been “developing a vaccine against coronavirus” and that he died “under strange circumstances”.The report goes on to claim police believe there had been a “scuffle” before the victim fell from a 14th-floor window.While local cops have said a criminal case for murder had been opened following the discovery.