It means that two figures linked to Putin's regime have died in 48 hours, following the report that billionaire oligarch Igor Kudryakov, a former government official and wealthy businessman, was found dead in his Moscow apartment. According to reports, Kudryakov had been diagnosed with cancer.
"Yet another mysterious death of a top-manager in Russia," tweeted Ukrainian internal affairs adviser Anton Gerashchenko.
There have several recent unexplained deaths of officials and businessmen in Russia.
In June,
the body of Artem Bartenev, 42, who served in the Kirovsky District Court in the city of Kazan, was found.
He had fallen 12 stories from his apartment window, according to local reports.
Also in June,
Yuri Demin, 62, the former head of the State Inspectorate for Road Safety for the Sverdlovsk region, died after
falling from the second floor of his summer home.
Pavel Antov, 65, a Russian politician who criticized Putin's invasion of Ukraine,
was found dead after a fall from a window in India in December 2022. His death came two days after his friend, Vladimir Bidenov, was found dead in a room at the same hotel.
And Ravil Maganov, 67, the chairman of Russian oil giant Lukoil, was found dead in September 2022.
He had fallen from a hospital window in Moscow.