Confused but calm: three-year-old boy gets arm stuck in door in SW China An unlucky three-year-old boy got his right arm jammed in a glass door while playing at a kindergarten in Kaili Economic Development Zone, southwest China’s Guizhou Province. It took firefighters three minutes to set his arm free, during which the boy could be seen terrified, but calm nonetheless. He suffered a bruise, but fortunately did not sustain any serious injuries.