Russia has launched a significant attack on Ukraine, prompting a military response from neighboring Poland. Polish fighter jets were scrambled, though the reason and specifics of their deployment remain unclear. Reports indicate a historical monastery in Ukraine has been damaged by the attacks, suggesting targeting of cultural sites. The scale of the Russian offensive appears substantial, marking a potential escalation in the ongoing conflict. Ukrainian officials have yet to release a comprehensive damage assessment. This action follows weeks of heightened tensions and warnings of an impending Russian offensive. Further details are emerging as the situation develops.