Such events are not new during long-term one-person regime.
These omnipotent people suddenly leave behind or leave the news of their illness (i.e. serious condition).
I remember two people right now. Former North Korean Supreme Leader and former dictator of Burma
If they do not see any time, a rumor spreads that they are not seriously ill, because of fear of losing power, due to the fear of counter repulsion.
Let's talk about Ayub's reign. Ayub's condition was one of the dead at 68.
48 hours crystal conditions. His self-proclaimed campaigner Altaf Gauhar influenced Ayub Influenza. About three weeks behind Ayub's perspective, A few days later, the parade of Pakistan Day. The president suddenly told on March 1 that he was there. But when the Pakistan Day was not able to arrange parade on 23 March, then everyone around him understood that the president's illness was awful. Then suddenly went to London. The treatment was returned. But by that time, Ayub made his former minister Bhutto, former Secretary General Pirajada and Army Head Quarter.
I am not saying that we are those dictators, but still it seems to be a sudden exaggeration of his. Especially, when he took a black gun, he seemed too faint. Thus, when he left the discussion, the conspirators would start cutting down.