Floods in Atlantic Canada cause 'unimaginable' damage; four people missing

The heaviest rain to hit the Atlantic Canadian province of Nova Scotia in more than 50 years triggers floods causing, as four people are missing.

Floods in Atlantic Canada cause 'unimaginable' damage; four people missing
The heaviest rain to hit the Atlantic Canadian province of Nova Scotia in more than 50 years triggers floods causing, as four people are missing.