What to know

• Ukrainian President Volodymyr Zelensky last week heralded the success of Operation Veles, during which Kyiv sent troops deep into aS1
• Ukrainian President Volodymyr Zelensky last week heralded the success of Operation Veles, during which Kyiv sent troops deep into a disused gas pipeline in the Kupiansk region to confront Russian troops. These underground tactics, which Russian forces have bee...S2