Husband of doomed dive group leader says 'something must have happened down there' as mystery surrounds why the five attempted to explore 'cave so deep even divers with best equipment don't try'

The group, from Italy , had set off on a diving expedition on Thursday morning to explore the Vaavu atoll but never resurfaced.

Husband of doomed dive group leader says 'something must have happened down there' as mystery surrounds why the five attempted to explore 'cave so deep even divers with best equipment don't try'
The group, from Italy , had set off on a diving expedition on Thursday morning to explore the Vaavu atoll but never resurfaced.