Why US, Japan, South Korea want the world to strictly ban North Korean workers

The United States and its allies South Korea and Japan want the international community to bolster its efforts to ban North Korean workers. They have urged United Nations member states to strictly enforce UN Security Council resolutions on North Korean workers. The development comes as top South Korean, US and Japanese nuclear envoys met in Seoul on Friday (7 April) to deliberate on how to cope with North Korea's growing nuclear arsenal, reported Associated Press (AP). But, what is the concern behind this request? Let's take a closer look. North Koreans working overseas Seoul's foreign ministry said that there are…