China mine blast: Search and

1. A Friday evening gas blast hit Liushenyu coal mine in Shanxi while 247 workers were underground.
2. Officials say at least 82 people died, more than 120 were hospitalized, and two people remain missing.
3. Rescue teams used mine-inspection robots with gas sensors and infrared cameras to reach unsafe areas.
4. Authorities opened an investigation into serious safety breaches and ordered wider Shanxi mine inspections.