Glas Blast

Hundreds of rescuers took turns descending into an illegally operated coal mine Thursday to search for 23 Chinese miners trapped by a gas leak that killed 20 others, in the country's second deadly mining accident in less than a week.

Hundreds of rescuers took turns descending into an illegally operated coal mine Thursday to search for 23 Chinese miners trapped by a gas leak that killed 20 others, in the country's second deadly mining accident in less than a week.