Zena Williams is hoping her brother's life won't be in vain Credit: ITV News Anglia
Click below to watch a report by ITV News Anglia's Chloe Keedy..
The sister of a DJ from Suffolk, who drowned after jumping from a bridge into a reservoir has warned of the dangers of open water.
22-year-old Matthew Dunnett died two years ago after plunging into Alton Water reservoir at Tattingstone near Ipswich to cool off from the summer heat.
Now his sister Zena Williams has launched a campaign to prevent other families from going through the same tragedy.
