Russia struggles to respond to Ukraine’s incursion as advancing forces destroy key bridges and war potential CNBCIn Ukraine-controlled Sudzha, stranded Russian civilians question what’s next The Washington PostRussia-Ukraine war: Zelensky says Ukraine will set up buffer zone inside Russia BBC.comUkraine aims to create Kursk ‘buffer zone,’ Zelensky says, as Kyiv’s forces blow up second Russian bridge CNNUkraine blows up key bridges and says aim is to carve out a buffer zone inside Russia NBC News