Vladimir Putin Sworn In

Mr Putin took the presidential oath at the Grand Kremlin Palace, in a hall that was once the throne room of the Russian tsars.
If he completes his six-year term, Mr Putin will be the longest serving Russian leader since Joseph Stalin, our correspondent says.
However, Mr Putin faces many problems; the political system he created has been showing cracks, economic growth is forecast to slow, and violence in the volatile North Caucasus continues, he adds.
How he deals with the wave of opposition protests which broke out last December will also be a key test of his administration, correspondents say. More