The chief of Russia’s general staff, Valery Gerasimov, put the number of Ukrainian soldiers fighting inside Russia’s Kursk region, which borders Ukraine, at up to 1,000. At least 100 of them have now been killed and 215 injured, Gerasimov said in a video call with Russian President Vladimir Putin broadcast by the Kremlin on its Telegram news channel on Wednesday. The Kremlin said Putin was briefed on the situation in the region. There was no information on casualties on the Russian side. The Ukrainian advance had been stopped, Gerasimov claimed. “The operation will end with the destruction of …