1.   First, it killed some miners.

2.   The prisoners were assigned to dig coal out of already overworked mines, to labor in dangerous shafts that sometimes collapsed, severely injuring or killing the miners.

3.   Pieces of coal fell in a deep mine shaft in eastern Ukraine on Monday, killing a miner, officials said.

4.   A cave-in at a southwestern copper mine has killed four miners, company officials said Sunday.

5.   A coal miner was killed and three others injured in a mining accident in northern Moravia on Friday, the CTK news agency reported.

6.   A car struck and killed a miner at a roadblock last week.

7.   A cave-in at a copper mine in southwest Poland has killed four miners, company officials said Sunday.

8.   A coal miner was killed by falling debris in the second lethal mining accident in nine days, the state news agency BTA reported.

9.   A fire killed eight miners in an aging coal mine in eastern Ukraine on Monday, consuming an entire mine shaft, officials said.

10.   A coal mine in southern Poland caved in early Thursday, killing three miners and injuring two others.