The death toll from a flash flood in Indonesia’s West Sumatra province rose to 37 on Monday as rescuers searched for 17 people still missing from the disaster triggered by torrential rains, an official said. The cold lava flood, triggered by heavy rains high on Mount Marapi, swept through several districts of West Sumatra province late Saturday, said Abdul Muhari, spokesperson for the National Disaster Management Agency. Rescuers found more bodies as they expanded the search area, Muhari said, and the death toll was likely to increase. The 2,891-metre Mount Marapi is one of Indonesia’s most ac…