A pusher tug, a small barge that propels a bigger vessel, drowned in the Hooghly near Prinsep Ghat on Friday night, releasing oil into the river.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/oil-spills-barge-drowns-hooghly
[2] http://admin.indiaenvironmentportal.org.in/category/author/jayanta-basu
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/telegraph-kolkata
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/oil-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hoogly
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/west-bengal
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/calcutta-d