WWE announced today that Alberto Del Rio has been released. The short statement on WWE.com reads:

WWE announced the release of Alberto Del Rio due to unprofessional conduct and an altercation with an employee.

Obviously, more on this as it becomes available. Del Rio--real name Alberto Rodríguez--has been with WWE since June of 2010. He made his debut on the main roster on June 25th of that year, winning the WWE Title twice and the World Heavyweight Title twice.