Four people skiing and snowboarding in out-of-bounds areas were killed in avalanches in two separate areas of Washington on Sunday.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/four-are-killed-avalanches-washington-state
[2] http://admin.indiaenvironmentportal.org.in/category/author/william-yardley
[3] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-york-times-new-york
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/washington
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/avalanches
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters