At least 15 people have been killed, with dozens missing after torrential rains and landslides hit Indonesia’s Natuna region on the edge of the South China Sea. Pictures and video from the national disaster mitigation agency (BNPB) showed landslides cascading through forested areas and dumping mud and debris on houses on the remote Serasan island. Indonesia is prone to landslides during the rainy season, aggravated in some places by deforestation, and prolonged torrential rain has caused flooding in different areas of the archipelago nation