Singapore (AFP) – A Singaporean businessman wanted by the United States for violating sanctions on North Korea is currently in the city-state where he is under investigation, the Singapore police said. In a statement issued late Saturday, the Singapore Police Force (SPF) said they have sought clarification from their US counterparts over the reward as they have kept them informed about the ongoing probe by local authorities. The US State Department on Thursday offered $5 million for information on businessman Kwek Kee Seng, blaming him for numerous fuel deliveries to North Korea and ship-to-sh…