Threats to Catholic priests in Scotland

Just heard on my local AM radio at 1:00 pm news. I know my local radio gets it's news from the Independent Radio Network.

I haven't heard or read about this anywhere else. I'll try and get more information.

This is Easter weekend and obviouly things like this might be expected; but in Scotland?

The soundbite gave no details as to who sent the letters or what was said exactly.