1.   Mahjong parlors in Tokyo are typically dark and cramped.

2.   News reports said that the explosion occurred when an employee of the mahjong parlor opened the door of the establishment.

3.   News reports said that the explosion occurred when an employee of the mahjong parlor where the blast occurred opened the door of the establishment.

4.   Six men were killed and two others seriously injured in a fire that broke out in a mahjong parlor near Tokyo, police said Monday.

5.   Seven men were killed and one seriously injured in a fire that broke out in a mahjong parlor near Tokyo, police said Monday.

6.   The owner of the third-floor mahjong parlor reportedly heaped old newspapers, hand towels and other garbage there.

7.   The mahjong parlor had only one window, which was covered up, as was a window in the bar.