| North Korea runs dozens of restaurants in other countries as a valuable source of income |
A group of 13 North Koreans who defected from China to South Korea earlier this year have been released from custody, officials say.
| North Korea's London embassy is located on a residential street in Ealing, west London |
But at the time, the NIS said North Korea was using the case for propaganda, claiming the female workers had been abducted by Seoul's spy agency.
Separately, a diplomat at the North Korean embassy in London was reported on Tuesday to have defected and fled abroad with his family.
Thae Yong Ho, had served as deputy to the ambassador and was responsible for promoting the image of his country to British audiences.