China under fire as PM aims to shield tech stars; Attempts to keep British innovators out of the hands of foreign powers are largely focused on one target, writes Hannah Boland

In the middle of Prime Minister's Questions late last month, Boris Johnson appeared to make something of a halfannouncement. Within the next few weeks, he said he would bring forward measures to ensure the UK "protects our technological base".

MPs were "right to be concerned about investment" and right to be "concerned about the buying up of UK technology now by countries that may have ulterior motives", he said.

Johnson may not have named any specific country but, for many, it was o...