Kwasi Kwarteng, Britain's business secretary, is said to be pushing to end the use of Chinese state-owned companies in critical infrastructure

``To kick them out, we must understand the tradecraft and detect them beyond just initial access,'' tweeted a National Security Agency official.

Business secretary Kwasi Kwarteng said the acquisition of Newport Wafer Fab by Nexperia, a subsidiary of China's Wingtech, would face an investigation

The pillars of the new law include protecting sensitive technology, strengthening supply chains for semiconductors and encouraging new tech such as artificial intelligence