South Korea said the US government's release of images of the arrest of hundreds of Korean workers was regrettable, especially as the incident followed so closely after a summit between the two nations' leaders. US immigration officials raided a Hyundai Motor car battery factory on Thursday. On Friday, Immigration and Customs Enforcement released a video and photos of workers shackled at the wrists, waist and ankles getting on a bus after the raid. The crackdown could risk damaging ties between Washington and Seoul, a key Asian ally and US investor, when the two are trying to narrow their differences and complete a trade deal after the summit between President Donald Trump and South Korean President Lee Jae Myung. First Vice...