The family of a missing British dad feared dead after jumping into a lake to save his son said the tragedy is "unimaginable".
Aran Chada vanished after leaping into Lake Garda in Italy to rescue his 14-year-old son who had got into difficulty while swimming off a hired boat on Friday afternoon.
The oil executive, 51, from Woodhouse Eaves, Leicestershire, managed to drag his teen son back to the vessel before his mum pulled him aboard.
