21.   Nielsen said the company had opted to weld the door shut after being unable to find suitable replacements for the worn seals.

22.   Scores of mines across China have been shut after a series of fatal blasts last year.

23.   Scores of mines across China have been shut after a series fatal blasts last year.

24.   Several other key highways in the bustling southeast grid were also shut after coded warnings, police said.

25.   Small, private mines across most of China have been shut after a series of fatal blasts last year.

26.   Small, private mines across most of the country have been shut after a series of fatal blasts last year.