How has North Korea's Kim Jong-un held on to power so long? – video

Kim Jong-un emerged onto the world stage as a virtual unknown in 2011, a young man thrust into power at the head of North Korea - a nuclear-armed state - after his father's unexpected death.

In the decade since, he has ruthlessly purged alleged political opponents, extended his country's nuclear capabilities, and tightened his grip on power as North Korea's supreme leader.

From diplomatic summits with Donald Trump to executing members of his own family and failing to stave off famine in his own country, Guardian correspondent Justin McCurry charts the highs and lows of Kim's first 10 years in office.