(Reuters) -Kirill Stremousov, the Russian-installed deputy head of Ukraine’s southern Kherson region, died on Wednesday in a car crash, Russian state news agencies reported. Stremousov was one of the most prominent public faces of the Russian occupation of Ukraine, using social media to pump out aggressive statements, of which the latest appeared on Wednesday morning. TASS news agency said the press service for the head of the region had confirmed his death. The exact circumstances were unclear. Russia moved to annex Ukraine’s southern Kherson region and three others last month after staging w…