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).
More top news
The last day of the inquiry into Alexander Litvinenko's murder has heard that Vladimir Putin should be held responsible for his death.
American philanthropists have pledged to match new donations up to $100,000 to the research team who had been tracking Cecil since 2008.
As our Changing Minds series on mental health comes to an end, we take a look back at the stories which made the news this week.