An isolated conference centre on the outskirts of Stockholm was the setting on Saturday for the US and North Korea to resume nuclear talks.
North Korea have fired a series of projectiles from an area known to be used as a military base, South Koreas military have said.
Officials from North and South Korea hold further talks over Pyongyang's plan to participate in next month's Winter Olympics.
Choi Han Chan, 59, is charged with brokering the sale of ballistic missile components and coal in order to boost the sanctioned North Korean regime's struggling economy.
Ministerial meeting called at week's end by anxious council chair Japan.