India, May 23 -- At least 90 people were killed after a gas explosion ripped through China's Liushenyu coal mine in Qinyuan County on Friday, in one of the country's deadliest mining disasters in decades.

According to China's state-run Xinhua News Agency, the explosion triggered a massive rescue operation, with multiple agencies working to locate and save those trapped underground.

Rescue efforts remain underway, though it is still unclear how many miners may still be trapped inside the mine.

A total of 123 people were rushed to hospitals for treatment, including two in critical condition and two in serious condition. Another 33 people were treated and later discharged, Xinhua reported.

Local media reports said 247 people were inside ...