Kiev, Sep 4 (Reporter) At least 51 people have been killed and 271 others injured Tuesday in a Russian missile attack on the city of Poltava in central Ukraine, Ukrainian President Volodymyr Zelensky said. Some people are still trapped under the rubble of the destroyed building and the rescue operation at the site continues, Zelensky wrote in a statement on Telegram. According to preliminary investigation, two Russian Iskander-M ballistic missiles struck an educational institution and a hospital in Poltava, Ukraine's Prosecutor General's Office said in a statement...////...