UTV report Judith Hill has just tweeted this image of Strangford Lough, adding that several ambulances have just left the scene.
A group of ambulances has just taken off with some casualties - rescue helicopter in the sky above lough http://t.co/zMKexpD3jU
The South Eastern Health and Social Care Trust in Northern Ireland said that casualties were being brought to the Ulster Hospital (Dundonald).
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It will be a wet start tomorrow for many but things are looking up for the afternoon.