Denis Kireyev, a member of the Ukrainian delegation in the first round of talks with Russia, has been killed.
Ukrainian Security Service officers conducted a special operation to detain him, Report says, citing zn.ua.
Denis Kireyev died while being detained. The details of the incident are unknown.
According to the report, Denis Kireyev was suspected of treason.
Kireyev was born in 1977 in Kyiv, Ukraine. He worked in the financial sector.