https://apnews.com/586826c6aa02d1571c8b4d6840043931 > Sweden is banning Chinese tech companies Huawei and ZTE from building new high-speed wireless networks after a top security official called China one of the country's biggest threats. > The Swedish telecom regulator said Tuesday that four wireless carriers bidding for frequencies in an upcoming spectrum auction for the new 5G networks must not use equipment from Huawei or ZTE.