Whew! I hate it when WW-III-inducing heads of state go missing, myself, with no explanation.
I see no nation took advantage of his leave to do anything. Bummer
Especially with the Chinese leader replacing his security team recently and the whereabouts of the Iranian ayatollah...
Well, it did inspire at least one Photoshop alluding to 210Po, a radioactive isotope known to be a Russian favorite.