Several people are missing and others seriously injured after a huge explosion at a chemical factory in Germany.
Footage showed flames rising hundreds of feet into the air from BASF's headquarters in Ludwigshafen on Monday. https://twitter.com/dwnews/status/787996891036393472 http://news.sky.com/story/several-missing-after-explosion-at-basf-chemical-plant-in-germany-10621116