The Houthis are Back in Action.

When it comes to the reason all the link to the Middle East, there's one key player that's been quiet, suspiciously quiet. We're speaking of Yemen's Houthi rebels, who despite being all the talk in foreign policy circle a few years ago, have basically been keeping to themselves, say for a few rocket launchers to remind the world that they are still there.

That is, until yesterday, according to their own leadership, the Houthis are very much back in action.

And while their target this time seems to be exclusively Saudi Arabia, their entry is raising all sorts of alarm bells as to what exactly this could mean for their role in the region going forward.