US charges Huawei with Iran sanctions violations, bank fraud and stealing trade secrets

The US has formally charged Chinese tech giant Huawei and its CFO with conspiring to violate US sanctions on Iran, bank fraud and obstruction of justice. Separately, US authorities also indicted Huawei for stealing trade secrets from its US rival T-Mobile. The move came just as a high-level Chinese delegation arrived in Washington for a new round of trade talks. Our correspondent in Beijing brings us the latest.