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.
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A report into an SAS exercise which saw a West Country soldier die says it could happen again.
As teenagers complete their training for the Ten Tors event next month, search and rescue dogs have also been fine tuning their skills.
Unsettled, windy and feeling cold