North Korea publishes photos of Kim Jong Un - why do rumours of his death keep coming back?

Kim Jong Un has appeared in North Korean state media looking remarkably healthy for a man rumoured to have died from a brain haemorrhage.
Photographs published by state newspaper Rodong Sinmun show the 42-year-old dictator touring what the paper said was a clothing and footwear exhibition with his daughter.
The images emerged hours after a Chinese dissident who lives in the US claimed, without evidence, that Kim had been taken to a hospital in Beijing in a coma and had died.
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