This clip was on the local news last night. It happened last week off Ardglass and the whole thing lasted just one minute, then she was gone. Feckin lucky lads. 
<iframe width="560" height="315" src="http://www.youtube.com/embed/JpC_K8rr5IE" frameborder="0" allowfullscreen></iframe>

<iframe width="560" height="315" src="http://www.youtube.com/embed/JpC_K8rr5IE" frameborder="0" allowfullscreen></iframe>


I used to be a marine engineer in Cornwall and saw a bit that