More than 1,000 South Korea n forced labor victims and their bereaved families filed on Tuesday the largest-ever class-action lawsuit against Japan ese"war criminal" companies, demanding about 100 billion won in damages. A total of 1,004 South Korean victims and bereaved families, who were forced to work for Japanese war munitions factories during the devastating war, sued around 60 Japanese firms, including Nippon Steel and Mitsubishi Heavy Industries, on Tuesday for unpaid wages and damages for wartime hard labor.