Hundreds of South Korean workers arrived home on Friday after their detention in a US immigration raid that Hyundai warned would delay the completion of its battery factory. South Korean workers accounted for most of the 475 people arrested last week at the Hyundai-LG battery plant under construction in Georgia, prompting tense negotiations between Seoul and Washington, staunch security allies. A specially chartered Korean Air Boeing 747-8I carrying 316 South Koreans and 14 foreign employees...