Over the past weekend, Russia detained a US soldier who arrived in Russia from South Korea on personal matters, reports NBC News. According to NBC News, he is allegedly suspected of theft. Sources in the State Department indicate that the serviceman is a senior sergeant. He is in a temporary detention facility. Russia has informed the American side about what happened. The US Embassy in Russia is seeking consular access to its citizens, the channel notes. The man served as part of the US contingent in South Korea and came to Russia on his own. US Department of Defense spokeswoman Cynthia O. Sm…