A man has been arrested on suspicion of manslaughter after another man fell from a boat off the Dorset coast.
David Haw, 24, went overboard from a rigid inflatable boat in Poole Harbour in the early hours on Monday.
A search involving the RNLI, HM Coastguard, police and Dorset Search and Rescue is under way for Mr Haw, from Sussex.
Dorset Police said a 19-year-old man from the Southampton area has been arrested on suspicion of manslaughter and remains in police custody.
Detective Inspector Wayne Seymour said: “Our multi-agency search efforts are ongoing to locate David and there will continue to be a police presence in the harbour and surrounding areas.
“We are continuing to keep David’s family updated with any developments and are doing all we can to support them at this difficult time.
“We are carrying out enquiries to establish what happened in order to help us locate David and would urge anyone with information that may assist our searches to please get in touch urgently.”
Mr Haw is described as white, 5ft 10in inches tall, of slim build, with short mousey brown hair. He also has a short beard and bushy eyebrows.
Subscribe or register today to discover more from DonegalLive.ie
Buy the e-paper of the Donegal Democrat, Donegal People's Press, Donegal Post and Inish Times here for instant access to Donegal's premier news titles.
Keep up with the latest news from Donegal with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.