Falmouth Coastguard have confirmed a major rescue operation is underway on the Cornish Coast.
There are reports that a group of six people were struck by an out of control speedboat near Padstow harbour.
Emergency services believe a number of the group have been seriously injured .
A report into a speedboat accident off Padstow has revealed that a father and daughter died after he tried to make a fast turn.
A father and daughter were killed by their out-of-control speedboat in Cornwall after he took over the steering, investigators found.
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.