A pro-war Russian TV star has been killed on the front line just hours after sharing a social media post mocking Ukraine. Anna Prokofyeva, 35, died in the Demidovka border area of Belgorod, Russia, where Volodomyr Zelensky's forces have been making incursions. Her death was reported by other Kremlin-backed war correspondents and later by the state-run TV station Channel One, where she worked. Just a day before, she said she was "somewhere on the border with country 404", a reference to a common web page error - suggesting she believed Ukraine was a country that does not exist. Multiple other...