North American operations of Chinese drone giant DJI Technology have been hit by staff cuts and resignations, ending what was one of its most successful divisions

China's semiconductor start-ups Hongxin and Quanxin have recruited more than 100 senior employees from TSMC in a bid to get around US sanctions imposed on Huawei

Experts raised concerns about the Wuhan lab during an accreditation process - concerns that were amplified after the Covid-19 pandemic spread from the same city