Through the glass window, Yuka and Temari could see the scene inside the ward.
Strictly following his sister's instruction that Kankuro needed to wake up, Gaara went straight up and struck Kankuro's abdomen hard with sand, literally shocking (and paining) the unconscious man back to consciousness. The doctors and nurses nearby were terrified, letting out cries of alarm as they rushed forward to grab Gaara and stop him from causing further destruction. Several of them even hurried off to bring Tsunade back to restore order.
Kankuro was, after all, from Sunagakure, and the two villages had only just mended their alliance. For Kankuro to suffer repeated, heavy blows here would look bad no matter how the story was spun—though the primary culprit was also from Sunagakure, the injuries had been sustained inside Konohagakure, which fundamentally amounted to a failure in Konohagakure's management.
Chapter 243