Six people are being treated in hospital after 80 dinghies were hit by bad weather in Strangford Lough, Co Down.
A championship regatta was underway near Killyleagh (PRON Killy lay) when the weather suddely turned.
At one point up to 100 people were in the water.
A search and rescue operation was launched - involving the Coastguard north and south, RNLI lifeboats and the RAF.
All participants in the regatta have now been accounted for.
Reporter Jordan Moates is at the scene...