The story

A group of boaters was forced to scramble to the safety of a rocky ledge after waters from a bursting Grand Canyon dam surged, one of the rafters told CNN on Monday.

Cedar Henning and the other 15 stranded boaters with him were rescued and airlifted out of the canyon by helicopters Sunday. Rescue workers were still searching Monday for 11 people unaccounted for, officials said.

About 270 people had been rescued from the area Sunday and Monday, said Maureen Oltrogge, Grand Canyon National Park spokeswoman. Read full article »

All About Grand Canyon National Park • Floods