11.   Unregistered outlets have multiplied due to increasingly stringent government rules on cyber cafes and Internet usage, cafe operators have said.

12.   Xinhua did not offer further explanation as to why the security was so tight, but many underground cyber cafes in China are locked to prevent surprise police raids.

13.   Xinhua did not offer further explanation, but many underground cyber cafes in China are locked to prevent surprise police raids.

14.   Many underground cyber cafes in China are locked to prevent surprise police raids, as well as to prevent thefts.

15.   The crackdown has been extended to cyber cafes in other cities, including Shanghai and Tianjin.

16.   The crackdown has been extended to cyber cafes in other cities, including Shanghai and Tianjin with Liu hinting it could be imposed nationwide.