The teenager who survived a small plane crash in Washington’s Cascade Mountains says she burned herself trying to pull her step-grandparents from the burning wreckage.

The father of a teenager who survived a plane crash in the forested mountains of north-central Washington state before walking for two days to reach safety has said she is doing remarkably well.

A previously unknown fault in eastern Arkansas could trigger a huge magnitude-7 earthquake with an epicentre near a major natural gas pipeline, a scientist in the US has warned.