BARCELONA, Spain (AP) — Socialist Prime Minister Pedro Sánchez left Spain in suspense after announcing he may step down because of what he called an “unprecedented” smear campaign against his wife.

Sánchez, who has been in office since 2018, stunned the nation Wednesday by announcing that he was canceling all official events until next week, when he will unveil his future plans. The announcement came hours after a Madrid provincial judge agreed to study allegations of corruption brought by a right-wing group against Sánchez’s wife, Begoña Gómez.

Here’s what you need to know about the potential political crisis in the eurozone’s fourth leading economy and how it could play out:

WHAT’S NEXT

The big question is what will the 52-year-old Sánchez — one of Europe’s longest serving Socialist leaders — decide to do come Monday. His likely options are: