KATHMANDU: Flash floods and landslides in Nepal triggered by monsoon rains killed 15 people and injured 12 overnight while another 18 have gone missing, officials said on Saturday.<br /><br />The latest deaths took to 30 the number of people killed in incessant rain that since Thursday has pounded much of the Himalayan nation tucked between China and India.<br /><br />Officials said the Kosi River in eastern Nepal, which flows into the eastern Indian state of Bihar, had risen above the danger mark.