contentonly Voiced by artificial intelligence. LONDON — The U.K. already has some of the most far-reaching surveillance laws in the democratic world. Now it’s rushing to beef them up even further — and tech firms are spooked. Britain’s government wants to build on its landmark Investigatory Powers Act, a controversial piece of legislation dubbed the “snooper’s charter” by critics when introduced back in 2016. That law — introduced in the wake of whistleblower Edward Snowden’s revelations of mass state surveillance — attempted to introduce more accountability into the U.K. intelligence agencies’ sprawling snooping regime by formalizing wide-ranging powers to intercept emails, texts, web history and more. Now new legislation is triggering a fresh outcry among both industry execs and privacy campaigners — who say it could hobble efforts to protect user privacy. Industry body TechUK has written to Home Secretary James Cleverly airing its complaints. The group’s letter warns that the Investigatory Powers (Amendment) Bill threatens technological innovation; undermines the sovereignty of other nations; and could unleash dire consequences if it sets off a domino …