He was transported to an alternate reality.
Or he traveled an unknown ammount of time into the future.
Or he was taken by aliens.
Or the earth cracked open and he was dragged down into Tartarus.
Same thing happened to Harold on neighbours - was missing for like 10 years, turned out he had amnesia and was living in Tasmania. Came back to Ramsey St and went on as normal. I don't rule out that ex prime minister Harold might just reappear one day too
It's more like 2 suburbs away but it's the thought that counts
Or he traveled an unknown ammount of time into the future.
Or he was taken by aliens.
Or the earth cracked open and he was dragged down into Tartarus.
The "possible" options are endless.