Family of American medic ##are posts ##cript on Facebook says she died while at base camp . At least 13 die after avalanches at Mount Everest base camp , authorities say ; Climber says 17 dead . Dining camp at one base camp has been transformed into a hospital , another hiker says .
Family of American medic killed posts message on Facebook says she died while at base camp . At least 13 die after avalanches at Mount Everest base camp , authorities say ; Climber says 17 dead . Dining tent at one base camp has been transformed into a hospital , another hiker says .