A local official in a part of Ukraine's southern Kherson region controlled by Russian forces has been killed in a car bomb attack, the Russian-installed local administration said.Ukrainian media reports about Shtepa's death referred to him as "an occupier" and as someone who had actively collaborated with Russian forces.Unverified video footage of the alleged attack posted online showed thick grey smoke and flames rising into the air above a car.Kyiv has said it plans to retake by force all territory seized by Russian troops since they invaded on February 24 in what Moscow called "a special military operation" to ensure its own security.In November, Kirill Stremousov, deputy head of the Russian-installed local administration in Kherson, died in a car crash despite travelling in an armoured car, and other Russian-installed officials have been hurt or killed in bomb blasts."