Russia is responding to Ukraine's significant incursion into Russian territory by sending reinforcements, imposing strict security measures, and conducting airstrikes. Despite Russia's efforts to halt the advance, Ukrainian forces have made gains, capturing a village and controlling parts of a town near the border. Analysts believe that Russia has managed to stall the major advances but are uncertain about Ukraine's next move. The incursion has surprised many and has been a setback for President Putin. The conflict has also raised concerns about spillover into neighboring Belarus. Both sides are preparing for potential retaliation, with Russia declaring enhanced security measures and Ukraine evacuating residents from border regions. The situation remains tense, with uncertainty about the future developments.