Three days after a fatal Air India AI171 flight crash, another tragic incident has been reported in Uttarakhand, where a helicopter flying from Kedarnath Dham to Guptkashi crashed in the jungles of Gaurikund, leading to the deaths of seven people, including the pilot, according to media reports.

It could take months before a definitive explanation emerges, but videos of the accident and other evidence have begun to offer clues about what may have brought down the Air India flight, killing mo...

The lone survivor, Vishwash Kumar Ramesh, 40, said even he could not explain how he survived.