3 killed, 1 injured in blast at cassava starch factory stockbot 0 13 04.05 23:05 https://vietnamnews.vn/society/1653402/3-killed-1-injured-in-blast-at-… + 4 https://vietnamnews.vn/rss/society.rss + 1 The explosion happened around midnight Thursday due to an electrical short circuit in the facility’s packaging room.