Watch the moment man slashes €2.5m painting owned by his father in art gallery

A man has been filmed on CCTV entering an art gallery in the US and slashing a painting worth around €2.5m which belongs to his father.
Officials in Colorado have charged a British man, Nicholas Morley, with 'felony criminal mischief' after he was caught on camera cutting the untitled Christopher Wool painting twice. He denies the charge.