It remains unclear what exactly caused the incident but a father of one of the teenagers who survived the horrific incident said it was a rip tide that took them out .
The 78ft Dorset Belle was seized yesterday afternoon. The vessel, which operates hourly and can carry up to 80 people, is now under guard at Poole Harbour.
Lifeguards warned beachgoers of riptides before the tragedy at Bournemouth that saw a 17-year-old boy and 12-year-old girl killed, a boat passenger has today revealed.
itv.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from itv.com Daily Mail and Mail on Sunday newspapers.