According to RIA Novosti, this is reported by the news agency "Ukrainian News".
“During the detention of the SBU, a banker and a member of the delegation of the first negotiating group in Gomel (RB) Denis Kireev was killed,” the Telegram message says.
Earlier, the deputy of the Verkhovna Rada of Ukraine Oleksandr Dubinsky said that the SBU allegedly killed Kireev during the arrest.
Ukrainian blogger Anatoly Shariy said that, according to his information, Kireev was killed in the center of Kyiv near the court building.
There is no official confirmation of this information yet.