Constable painting The Lock sells for £22.4m

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Media captionThe Lock had been housed in Madrid's Bornemisza Museum

Here's my report on John Constable's 1824 masterpiece The Lock which has become one of the most expensive British paintings ever sold, fetching £22.4m at auction at Christie's in London.

The full price of £22,441,250, for the painting depicting Suffolk rural life, places it joint fourth on the list of most-expensive Old Masters.