Here is an extended interview with dockmaster George Reeder.
The 63-year-old dived into the water at Watchet marina to drag out a buggy after it was blown in by a gust of wind.
Six-month-old Sam Cooper Stevens spent several minutes trapped under the water.
More top news
It was 75 years ago that Bristol felt the full force of the Blitz. This evening Bristolians took to the streets to mark the anniversary.
A Bristol woman who suffered abuse at the hands of her own father has told ITV News fear stopped her reporting the crime.
Glastonbury monks concocted myths about King Arthur and Jesus to raise money by drawing pilgrims to the area, according to research.