A gas explosion at a coal mine in northern China late Wednesday killed at least 105 people in one of the country’s worst mining accidents this year, the official Xinhua news agency said Friday... [The] explosion...took place at a mine operated by the Ruizhiyuan Mining Company... Xinhua reported that the blast occurred at 11:15 p.m. Wednesday, but that the local authorities were not told until 5 a.m. Thursday. The death toll climbed during the day and reached 105 Friday after 26 bodies were recovered overnight.