Devon waterskiing instructor Charlie Toogood has been hailed a hero after he leapt into a speedboat that lost control in Padstow, killed two family members and injuring four more.
Mr Toogood turned off the speedboat's engine and stopped it from causing further harm.
Nick Milligan, 51, and his eight-year-old daughter were killed in the accident. Four other members of his family were taken to hospital with two suffering "life-changing" injuries.
A father of four who was killed in a speedboat accident along with his eight-year-old daughter doted on his family", his brother has said.
Two people have died and another four people have been injured in a speedboat accident while on holiday in Cornwall.