Moldovan opposition leader found shot dead in breakaway Transnistria region

Leader of Communist Party in Transnistria, Oleg Khorzhan, was found fatally shot at home.
Moldova police have launched homicide investigation into Khorzhan's death.
Moldova proposed independent probe under auspices of OSCE into killing.
Transnistria is pro-Russian breakaway state between Moldova and Ukraine.
Moldova accuses Russia of destabilization since 2022 Ukraine invasion.