In February last year, an ice wall collapsed on Sonam post at 21,000 feet on the northern Siachen glacier, burying 10 soldiers of the 19 Madras regiment.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/climate-change-forces-army-rethink-siachen-deployment-procedures
[2] http://admin.indiaenvironmentportal.org.in/category/author/dinakar-peri
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/glaciers
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/himalaya
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/glacial-melt
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/floods
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change