Following the blast, law enforcers recovered among other things 18 bottles of picric acid used to make explosives
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/10-lakh-people-risk-landslide
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/dhaka-tribune-dhaka
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/landslides
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bangladesh
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-asia