Contractors linked to hostile foreign powers such as China will be targeted by a new security taskforce if Labour wins the next general election. In a joint initiative from the shadow home secretary, Yvette Cooper, and the shadow chancellor, Rachel Reeves, the new body will aim to anticipate risks to Britain’s national security. It comes just days after the deputy prime minister, Oliver Dowden, said China represents the “largest state-based threat” to Britain’s economic security. The government intervened in eight attempted takeovers of UK firms by Chinese buyers last year…