A South Korean helicopter on Saturday crashed into an high-rise apartment in Seoul's populous Gangnam district, leaving two pilots dead, firefighters said. The helicopter, which belonged to LG Electronics Inc. plunged into the upper part of a 38-storey apartment building and fell to the ground at around 8:55 a.m. local time, killing the captain and the vice captain on board, the Yonhap news agency reported. [Xinhua]