36-year-old Mohit Dupar was swimming with his son at Camber Sands last July, when he tried to help a stranger struggling to stay afloat in the sea.
The man in trouble was 19-year-old Gustavo Silva Da Cruz.
Mr Dupar was unable to save the teenager who drowned.
Mohit Dupar was pulled from the sea and passed away in hospital four days later. His death and bravery were unknown to the public for three months until it was discovered by ITV Meridian.
His son, 18-year-old Ankush Dupar almost died too. In this exclusive report, he speaks to our Correspondent Derek Johnson.
One of the largest flood defence schemes ever constructed in the South East has been opened officially today.
The £30 million Broomhill Sands project is designed to protect homes lying in flood risk areas between Camber Sands and Jury's Gap.
According to the Environment Agency, the completed project will reduce the flood risk for 14,500 homes, businesses, a nuclear power station, significant areas of designated habitat and two Ministry of Defence firing ranges. Here's Ian Nunn, from the Environment Agency.
A jury has retired to consider it's verdict in the trial of a mother accused of murdering her 3 year old daughter at their home in East Sussex eight years ago.
Lesley Dunford denies killing her daughter Lucy at the home in Camber near Rye in February 2004.
The 33 year old now lives in Devon.
The child was found with bruising around her neck and shoulders.
The jury at Lewes Crown court has been sent home for the night and will resume their deliberations tomorrow morning.