https://www.reuters.com/article/us-abb-northkorea-robot/swiss-abb-robots-photographed-in-north-korean-factory-nk-news-idUSKBN1XV1SC >Swiss engineering firm ABB said on Thursday it had upheld international sanctions on North Korea but its machinery may have been sold to the country without its permission, after photos emerged purporting to show ABB robots in a factory.