Russian President Vladimir Putin is known for sporty publicity stunts, but his September flight on a hang-glider with some Siberian cranes is now raising questions.
Some observers report the president walking with a limp, leading Dmitry Peskov, Putin's spokesman, to deny claims that he may have aggravated an old injury.
A number of official trips have been postponed or cancelled, leaving many Russians wondering whether there is something seriously wrong with Putin.
Al Jazeera's Rory Challands reports from Moscow.
Source: Al Jazeera