Coal is loaded into a bulk carrier at Qingdao Port, China. Reuters
Nine other people were injured by the gas explosion on Monday afternoon, which took place in a mine owned by Shanxi Pingyao Fengyan Coal & Coke Group Co, according to official news agency Xinhua.
Fourteen miners were killed on Tuesday in a coal and gas blast at a mine in southwest China, leaving two people still trapped underground, authorities said.
Horton, who took silver behind Sun at the weekend, refused to step onto the top step of the podium for photos after the medal ceremony in Gwangju, as doping allegations swirl around Sun.
Australia has committed to removing the vast majority of social distancing restrictions imposed to slow the spread of COVID-19 by July, while nearly A$70 billion of government aid is scheduled to finish in September.
The global aviation industry has been hammered by the pandemic, as it is directly affected by border closures and population lockdowns.
The German government and Lufthansa, which has been hit hard by the coronavirus pandemic, have reached a preliminary deal on a 9 billion euro ($9.8 billion) bailout.