BEIJING Municipal Public Security Bureau announced in May a crackdown on foreigners illegally entering, residing or working in the capital. The 100-day campaign lasted to the end of August. Legal campaigns to root out illegal aliens are routine procedure throughout the world. This is by no means a first in China; similar programs having been rolled out in major cities such as Guangzhou and Chongqing where foreigners converge. Certain foreign media BEIJING Municipal Public Security Bureau announced in May a crackdown on foreigners illegally entering, residing or working in the capital. The 100-day campaign lasted to the end of August. Legal campaigns to root out illegal aliens are routine procedure throughout the world. This is by no means a first in China; similar programs having been rolled out in major cities such as Guangzhou and Chongqing where foreigners converge. Certain foreign media