New Delhi, Aug. 7 -- Did a glacier collapse cause the three landslides and flash floods in Uttarkashi on Tuesday? Experts are now veering around to this view.

"There are indications that a glacial snout at 6,700 m detached some days ago and large glacio fluvial debris deposits collected. Incessant rain over the past few days is believed to have led to loosening of the debris. Once critical mass was crossed, the massive collection of debris cascaded downstream with water in the Kheer Ganga, accelerating due to the steep gradient upto Dharali," said Safi Ahsan Rizvi, advisor (mitigation), National Disaster Management Authority and executive director, National Institute of Disaster Management.

He added that the scientific analysis that can...