Will there be a riot in Kano over the Buhari's alleged death story?

There have been speculations and unconfirmed stories that the President of Nigeria Buhari is dead! With people printing obituary posters and even tweeter personality Japhet Omojuwa tweeted that four people called him to confirm the death of the President!....
However, Facebook user Tonie Osegbo just posted that he recieved a call from Kano and there is tension there as People are planing to start something bad!...

Kano Nigeria: what is happening?
Just received a call from someone in Kano asking me 'how is Abuja this morning', saying that people are closing their shops in Kano because of a perceived action that might happen due to a 'rumour'. he wrote....