Police have ruled out “physical contact” between any vessel and a 17-year-old boy and 12-year-old girl who died after getting into difficulty in the sea off Bournemouth beach.
Dorset Police received a report from paramedics at about 4.30pm on Wednesday afternoon of people requiring assistance on the beach near to Bournemouth Pier.
Ten people were recovered from the water, with the two children suffering “critical injuries” before dying died in hospital.
Eight other people were treated for injuries that were not life-threatening.
(This story is being updated)