Firefighters rescued a boy whose arm got trapped in a conveyor belt in a mould factory in eastern China.<br /><br />The video, shot in the city of Kunshan in Jiangsu Province on December 12, shows a boy putting his one arm into the bottom of the conveyor belt and getting it stuck.<br /><br />After the workers on the assembly line spotted the incident, two of them ran to help the boy and another one went to turn off the conveyor belt immediately.<br /><br />Firefighters used tools to tear down the conveyor belt and freed the boy. The boy was passed to paramedics on-site to be treated.