article_snippet.sent: (CNN)These are fearful times on the highest mountain in the world.
article_snippet.sent: base camp is in a vulnerable spot, sitting in a valley surrounded by high Himalayan peaks.
article_snippet.sent: People tried to flee as the onrushing wall of snow, ice and rocks took out large sections of base camp.
article_snippet.sent: But concerns were growing for the groups of climbers stuck farther up the 29,035-foot (8,848-meter) mountain in Camps 1 and 2.
article_snippet.sent: The avalanche was reported to have trapped The avalanche above the icefall area, an already treacherous part of the mountain that separates the base camp from Camp 1.
article_snippet.sent: Alex Gavan, a mountaineer at the base camp, said Sunday on Twitter that ropes and other gear were being helicoptered to the people trapped above the icefall.
article_snippet.sent: People at the base camp described a grim, chaotic situation after the avalanches Saturday.
highlights_snippet.sent: Concerns growing for people trapped higher up the mountain .
  