Moscow expressed concern over the “explosive” situation in the Korean peninsula in which a simple human error would be enough to light the fuse and lose control over the situation.“Russia has to be worried as we are talking about an explosive situation in the immediate vicinity of our eastern borders,” said Deputy Foreign Minister Igor Morgulov.“In the current tense atmosphere, it would only need an elementary human error or technical problem for the situation to go out of control and plunge out of control,” he went on saying