A huge rescue operation's underway in the Mediterranean after a boat carrying hundreds of migrants trying to make their way to Europe sank.
The vessel capsized just off the coast of Libya.
So far around 4-hundred people have been pulled to safety - but it's feared up to 3-hundred may have drowned.
367 migrants have been rescued by the Irish navy's LE Niamh which is still on scene.
Commander Brian Fitzgerald from Naval Headquarters says the migrants ship went down extremely quickly:
