King Juan Carlos photographed in February, 2014
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Why is King Juan Carlos of Spain abdicating? In 60 secs

2 June 2014 Last updated at 13:46 BST

King Juan Carlos of Spain is abdicating after nearly 40 years on the throne.

Hugely popular for most of his reign, the 76-year-old has had health problems in recent years.

And support for him waned when it was discovered he took a lavish elephant hunting trip to Botswana in April 2012, in the middle of Spain's financial crisis.

BBC News gives a quick explanation for the abdication - in 60 seconds.

Video produced by Michael Hirst