Politics

China tightens exit rules, allowing travel bans over tech and security concerns

The Chinese border post on Chinese-North Korean border on May 8, 2009 in Tumen, Jilin province, China. (GettyImages)
The Chinese border post on Chinese-North Korean border on May 8, 2009 in Tumen, Jilin province, China. (GettyImages)

China tightens exit bans over tech and national security.