Key developments on Oct. 13: Ukraine is holding front line in Kursk Oblast despite Russian attacks, Zelensky saysProsecutors open investigation into alleged killing of 9 POWs by Russians in Kursk OblastRussia’s illegal use of Starlink terminals hastened fall of Vuhledar, WP reportsZelensky: Russia has used around 900 aerial bombs against Ukraine this weekUkrainian troops are holding the front line in Russia’s Kursk Oblast despite Russian attempts to break through, President Volodymyr Zelensky said on Oct. 12. “There were attempts by Russia to push back our positions. But we are holding the def…