Jakarta [Indonesia], May 12 (ANI): At least 28 people, including children, have died after flash floods and cold lava flew from a volcano hit western Indonesia, Al Jazeera reported, citing rescue officials. Basarnas Search and Rescue Agency said in a statement on Sunday, mentioning that the disaster hit Agam and Tanah Datar districts in the West Sumatra province at about 10:30 pm (15:30 GMT) on Saturday after hours of heavy rain, triggering a flash flood and a cold lava flow from Mount Merapi. Cold lava, also known as lahar, is volcanic material like ash, sand and pebbles carried down a volcan…