A bus veered off a highway and plunged 60 metres into a ravine here in southwestern China, killing at least 13 people and injuring over a dozen others, Chinese state broadcaster CCTV reported.<br/> <br />The accident happened on Monday afternoon in Yunnan Province, near the border with Myanmar.<br/> <br />Twenty-nine people, including the driver, were on board the 30-seat tour bus.<br/> <br />State media said two of those injured were in critical condition.<br/> <br />A preliminary investigation suggested the driver was responsible for the accident, which happened in heavy rain.<br/> <br />But further investigations into the cause of the crash were still underway.
