1.   Shares of casino operators tumbled after an analyst warned that the industry is building too many gaming parlors for too few gamblers.

2.   He said the cause of the explosion and fire at what appeared to be a gaming parlor was under investigation.

3.   Ito said the cause of the explosion and fire at what appeared to be a gaming parlor was under investigation.

4.   Seiji Ito, another Fire Department spokesman, said the cause of the explosion and fire at what appeared to be a gaming parlor was under investigation.