Chinese authorities have urged state-owned firms to stop using the four biggest global accounting firms over concerns about data security

Four ByteDance employees, two in China and two in the US, involved in tracking foreign reporters and sources of company leaks, were fired for examining the journalists' IP addresses

"There is no more time to waste on meaningless negotiations with a CCP-puppet company," Republican Senator Marco Rubio said

The social video app giant said staff must have access European user data to ensure the platform is "enjoyable and safe" 

From Google, Amazon and Microsoft to Alibaba and Tencent, US and Chinese tech firms have set up or are building dozens of data centres in countries such as Singapore, Malaysia and Indonesia

Stocks of Chinese firms involved in data centre tech and cloud computing surged on Monday after Beijing approved the building of 10 data centre clusters worth billions of dollars.