Italy's $1.7 trillion pile of public debt - the third largest sovereign debt pool in Europe - is threatening to set off a chain reaction that could hammer banks from Rome, to Madrid, to Frankfurt - and beyond.
https://www.zerohedge.com/news/2019-02-04/how-italian-debt-crisis-could-take-down-eu
I've been watching that for a year or so. In fact, I thought I posted about a year ago about how Italian debut could unravel the EU, but I doesn't look like I did.
But yes, it's been looking serious for a while.