years. most recently in 2009 november. >> reporter: yes, absolutely. the maritime boundary has long been at the center of dispute in the past. north korea does not recognize the border that was drawn by the united nations at the end of the korean war in 1953. >> an interesting back and forth happening as we speak. ju hee cho live from seoul, south korea, thank you. now to the midwest where thousands are waking up without power after a rare round of tornados ripped through northern illinois and wisconsin. >> there are reports of at least eight twisters, including one so powerful it flipped over a school bus that was filled with children. ben bradley reports on damage near rockford, illinois. >> the little one was the one that was found a couple of houses down. >> reporter: two horses and countless people are counting their blesses after coming uncomfortably close to a tornado. >> my mom was just in the basement, and the whole house she said was just shaking. she heard, you know, that freight train that everybody talks about.