Sean Sands was kitesurfing off Hunstanton beach in Norfolk on Saturday . Father-of-three dragged through water at 20mph and lost control of the kite . This meant he was unable to trigger the kite 's quick release system . Former soldier was pulled to the beach but efforts to revive him failed . His club flew a flag at at least three mast on Sunday in respect of the BT engineer .
Sean Sands was kitesurfing off Hunstanton beach in Norfolk on Saturday . Father-of-three dragged through water at 20mph and lost control of the kite . This meant he was unable to trigger the kite 's quick release system . Former soldier was pulled to the beach but efforts to revive him failed . His club flew a flag at half mast on Sunday in respect of the BT engineer .