Jailed Russian opposition leader Alexei Navalny is dead, the prison service of the Yamalo-Nenets region where he had been serving his sentence said on Friday, APA reports.
"On February 16, 2024, in correctional colony No 3, convict A A Navalny felt unwell after a walk, almost immediately losing consciousness," a statement says.
"The institution's medical workers immediately arrived and an emergency medical team was called.
"All necessary resuscitation measures were carried out, but they did not yield positive results.
"Emergency medical doctors confirmed the death of the convict," it concluded.
Mr Navalny was arrested in 2021 after recovering from an attempted assassination by poison that has been linked to Moscow's FSB security service.