Six emergency rescue teams consisting of 345 personnel have since been sent to the scene, the Xinhua state news agency reported on Saturday.
Chinese President Xi Jinping has urged emergency responders to double down on rescue efforts after a gas explosion in a coal mine in northern China on Friday killed more than 80 people.
The explosion occurred underground at around 7:30 pm at the Liushenyu coal mine in Qinyuan county, China's Xinhua state news agency reported.
The death toll rose rapidly on Saturday, with at least 82 people now reported to have died following the explosion, whilst nine others remain trapped.
Xi has called for an "all-out rescue of the missing and treatment of the injured," as well as an investigation into the incident, per Xinhua.
Six emergency rescue teams consisting of 345 personnel have since been sent to the scene, the outlet said on Saturday.