Major thing may be happening in Moscow, huge announcement is said due.  Russian media has been told to stay in town as a huge announcement will be coming this weekend that no one should miss. 

The Kremlin is preparing a major announcement, journalists are asked not to depart for the weekend  
 According to a source in the press service of the President, Russia is preparing a major announcement in the near future, and for this reason, heads of relevant media asked to be ready in the next few days for a possible press conference.
This is indirectly confirmed by the CEO of the Center for Political Information polit-info Alexei Mukhin. 
 Mukhin also not denied reports that President Putin is currently incapacitated.  "Guys, you now need the president, gather .." - he wrote in his Twitter.  The question - whether he confirms rumors about Putin, Mukhin said "no comment."  He also asked the staff at the weekend are in place, "will be something important," he added