THREE foreign-born residents of Japan filed a lawsuit against the national and local governments over alleged illegal questioning by police based on racial profiling. It is the first such lawsuit in Japan, according to the plaintiffs' lawyers, and comes amid a sharp rise in the number of foreign workers coming to the country to help stem labour shortages as its population ages and declines. It also comes amid a renewed debate over what it means to be and look Japanese after a Ukrainian-born, naturalised Japanese citizen was crowned Miss Japan last week. The three men filed the lawsuit with the Tokyo District…